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Youll get it all when you call today and receive a free bonus box with your first order. Call now and make the switch to omax3 and experience a higher level of omega3 for a higher level of health. The preceding has been a paid advertisement for omax3 brought to you by a man perched atop the university of texas clock tower began firing on the people below. Victims were cut down on the west and south side of the campus as sniper zeroed in on his target with unerring accuracy. He shot at random. For more than 90 minutes. Walking on campus with boyfriend tom eckman. At first didnt know what was happening. You never heard the shot . No. I never heard the shot. I just felt a big jolt. Then i started falling. Reporter as she fell to the pavement, her boyfriend, tom, turned to ask her what was wrong. The next thing she knew, he was lying dead next to her. And she couldnt move. You thought you were dead . I thought i was going to die. Yeah. The killer was 25yearold Charles Joseph whitman, a former marine sharpshooter. Unknown to anyone, he had already killed his wife and mother ir heading to the towers 2th floor Observation Deck with multiple guns. It was the first School Mass Shooting in modern u. S. History. He affected so many lives in that one day. Retired texas ranger, martinez was a young officer with the Police Department at the time. Arriving on campus. Saw. When i got out of the car, i could hear all of the shooting going on. It was look a war. Back then, there was no such thing as Rapid Response teams. It was left to martinez and civilian, followed by a fellow officer, houston mccoy to climb to the top of the tower. To face off against the sniper and his arsenal. As martinez described it at the time. He di he was trying to bring it down. And i just kept firing. I could tell by impact that i hit him. I kept advancing. Shooting. Mccoy shot and hit him. And started going down. The shooter was dead. He killed 16 people that day. And injured dozens more. The mass shooting brought fundamental changes to Police Departments. And led to the creation of swat reminder of the terrible day could be find on this rock. Keith maitland who went to school there wondered why he never heard more. This is a story i think that anybody who grew up here has heard a little bit about. But if you want to get past just that little bit there isnt realot of fill in the blanks. So he made a documentary called tower. We can see the movement south side of the clock. It uses animation and Archive Footage to tell the story of the day. The shot hit me. Ricochetted off the building. Then what happened . Then everybody ran. What i want to understand what was it look to live through Something Like this . The worst days of your lives. Reporter in the process he wound up reconnecting people who it turned out had not seen each other since that day, 50 years ago. People like Claire Wilson james. Hi, claire. Hello, baby. And artly snuff. Snuff was just a teenager at the time. Thats him on the right in the da s running out in full view of the sniper to pick claire up and carry her some 100 yard down the steps to safety. Something he says he simply felt he had to do. Because she was shot. She was obviously pregnant. It was the most horrific day of my life. To this day . Oh, gosh, yes. I didnt go to war. That was my war. Because why . Because the blood. The loss of innocence. I think what i probably learned the most is that you have to deal with trauma. For people who werent given an opportunity it really sits with them and kind of eats away at them over the course of the rest of their lives. Reporter even people you might not expect. Like ray martinez, who before he was a police officer, was a combat medic. [ gunfire ] reporter he told us on the way to the tower to stop the sniper that day he was forced to run past claire as she lay bleeding on the quad without stopping to help her. That day i was thinking like a medic but also thinking like a policeman. I saw her wounded. And i felt like it was my duty to grab her and take her out of reporter in the movie version of this, youre the guy that shoots the sniper and saves the day. And you are telling me that even you, are wracked by guilt . Well, if you are a human being and you got feelings for people, yes. Reporter the university is now taking steps to remember those lost. This past week, a new larger memorial was dedicated. Listing the names of those killed. Including Claire Wilson james boyfriend and also her unborn baby. And in the shadow of the tower, there is now friendship. And healing for survivors. And from claire, Something Else. And you forgive him . Oh, yeah, how could gods forgiven me everything i have done. And he has kept me from being go that way. A video of a massive alligator roaming a golf course is getting a lot of attention on line. David begnaud has the story behind the sighting. Reporter the golfers who took the video were in disbelief. A giant gator standing high on its legs just sauntering across the golf course. It is a sight so unreal, that chubs, as he has become known, is something of an internet phenomenon. The individually that made him famous has been viewed more than 19 million times. But regulars here in palm meadow, florida, are unfazed. This is a great course, you see a lot of gators out here. Big ones. Its pretty interesting course. I mean its fun. What most people dont realize, these things go very short distances billion out they tire out quickly. Theyre fast. Theyre fast for a short distance. Like us old guys. You know . His head was about here. Course manager ken powell says chub has been a fixture on the fairway for years. He believes the least 15 feet long and likely 40 or 50 years old. When chubs comes out, play doesnt stop. If golfers hit a ball close to the reptile they just drop another one. And play right on through. He is not a nuisance alligator. We have no plans to have anybody come and take him away. He is not hurting anybody. Reporter once considered endangered, alligators are federally protected species. More than 1 million reptiles in habit florida. Fatal attacks on humans are rare. Only six have been recorded in the state in the last 10 years. And that includes the killing of a 2yearold boy at disney world back in june. Body of freshwater. Tim geist is a trapper and says alligators should always be treated as a potential threat. A lot of the public doesnt understand when they feed an alligator theyre creating a monster. Feed the alligator, he is going to coop coming back for more, gets bigger, bigger, bigger. Sees you as potential meal. Reporter chubs may look like a monster, but the club believes as long as patrons leave him alone. . . Delta down. So we are just here, twiddling our thumbs having no idea what to do. A computer crash ground one of americas largest airlines, leaving thousand stranded. Also tonight, infection in florida, but this one miles north of miami. A new donald trump brings his policy off a prompter. Prompting this. There is no other donald trump. At the olympics, much adieu about cupping. And the special guest who made a brides wedding. Hi oh. This is the cbs overnight news. It was a monday meltdown for this countrys second biggest airline. Deltas Computer System crashed. And that forced the air lean to cancel 650 flights. Many more were delayed leaving thousand of passengers stranded at airports all over the world. Here is transportation correspondent kris van cleave. Reporter the fbi tells cbs news it does not believe the computer issue that paralyzed Delta Air Lines was due to hacking. Instead the airline blames a power outage in atlanta overnight. Flier paulette vernon. We are just here. Having no idea what to do. Reporter at one point during the usually busy monday morning. 23 delta planes were in the air as global computer outage grounded flights for hours. Passengers couldnt check in. And the airline couldnt dispatch planes creating long lines at airports from los angeles to london. Where passengers had to deboard some flights. Worried she wouldnt make it to her cruise ship in time. You show suup. Think you are getting your boarding pass and getting on the plane. Were grounded. Reporter the four biggest carriers have experienced computer outages. A week ago, a glitch crippled southwest for days. Ed bastion. I apologize for the challenges this create ford you. Reporter how does this keep happening . People have come to realize this is an problem. The airlines are using old systems. They have these multidecade old systems for dealing with passengers that are suddenly exect to deal with mobile apps, onlike check ins on the web. A lot more demand for what theyre doing and doing it with pretty limited capacity. Reporter delta says its systems are operating once again. And is investigating why its backups didnt kick in as they should have. Are still in the threehour range. So the airline continues to struggle to get back on track. Thank you, kris. It wasnt the fiery donald trump we are used to today. Rather than speak off the cuff, he read off the prompter. As he delivered an economic address in detroit. A new National Poll out today shows him trailing Hillary Clinton by 12 points among registered voters. Major garrett on trumps attempt to get his troubled campaign back on track. Past. Ours is the campaign of the future. Donald trumps top advisers have been begging him for weeks to get back on message and position himself as agent of change against Hillary Clinton to. Day evidence of a trump conversion. When we reform our tax, trade, energy, and regulatory policies, we will open a new chapter in american prosperity. Republican president and nominee since ronald reagan. With across the board tax cuts. Hos pill t federal regulations and fossil fuels. My plan will reduce the current number of brackets from seven to three and dramatically streamline the process. In a significant shift, trump scrapped his original tax plan. And embraced a less expensive one drafted by house republicans. With income tax brackets of trumps first plan had a top rate of 25 . And a more generous standard deduction. The Nonpartisan Tax Policy Center estimated trumps original plan would have cost more than 10 trillion in its first ten years. The house gop plan is about a third less costly. Trumps speech was interrupted more than a dozen times by protesters in what appeared to be a coordinated effort to throw him off course. All very well planned out. While trump tried to drive his economic message. 50 high ranking Republican National security and diplomatic advisers to president s from Richard Nixon to george w. Bush signed a letter opposing trump. Charlie, they said trump if elect would be the most reckless president in history. Trump dismissed the letter saying those to sign it were to blame making the world such a dangerous place. Thank Hillary Clintons reaction to trump came as the it usually does quickly. Here is nancy cordes. He wants to roll back regulations on wall street. Reporter in saint petersberg, florida, clinton said trump would explode the debt cutting taxes for the wealthy and spending more. He wants to basically just repackage, trickle down fool me once, shame on you. Fool me twice shame on me. Trickle down economics does not help our economy grow, it does not help the vast majority of americans. She also mocked his new economic team. Made up of 13 white men. Hedge fund guys, billionaire guys. Six guys named steve. Apparently. Clintons advantage with women is one factor in widening lead. And here is another. According to the cbs news battleground tracker, 57 of virginians think she is prepared to be president. Compared to just 36 who say that about trump. After an erratic couple of weeks. She is truly unhinged. She is unbalanced. She is a monster. There are warning signs for clinton in the new polls as well. Just 36 of voters view her favorably. Slightly more than trump. History. I want you to tell your friend, dont let a friend vote trump. Reporter clinton has consolidated the party around her. More than nine in ten democrats now say they plan to vote for her compared to fewer than eight in ten republicans who say that about trump. May not sound look a big difference, charlie, but it can swing an election in a country as closely divide adds this one. Thank you, the noicbs overnight news l the number of nontreated zika infections in florida rose to 16. This time the person is in palm beach county. 75 miles north of the miami zika zone but had traveled to miamidade county. David begnaud has the latest on to birth defect. Reporter there has been aerial spraying over the zika zone at least three times now. With 17 locally transmitted zika cases. The one mile area of wynwood was a ghost dotown. She feared sunny had zehe had z. Today she received good news. We did your test last week. It was negative. Reaction when you got it . Whew. One last thing to worry about. Reporter she says she has been taking precautions including using bug spray any time she is outside. Reporter you understand how randomly it could have been you . Absolutely. And, and in any situation, when you become pregnant, you just accept you are not in control. One thing that you are in control of, with zika is you can prevent. Reporter her obstetrician, patients are forgetting abut prevention. People want to beep tested. But do you have bug spray in your purse. You are getting tested. Do you have bug spray in your purse. You have to focus on. Images have to be of the mosquito, bites, thats what you need to avoid. Reporter tonight in palm beach county, inspectors are in the area where the new case was detected going dpoor to door asking people for voluntary may have been infected. Charlie the kids are about to go back to school in florida. Today the governor asked education leaders to start teaching students about zika protection. Thank you, david. Folks in florida bracing for severe flooding in port richard, roads have been closed because of heavy rains. And forecast is only getting worse. Some places could get 9 inches of rain in the next few days. Thats because a storm system has stalled over the florida panhandle. The bad weather extends all the way to new orleans. In the pacific, Tropical Storm javier is bearing down on baja california. Heavy air expected to pass by Cabo San Lucas tonight. Half a foot of rain is in the forecast. An earlier storm, erm, dumped a month worth of rain on central mexico in 24 hours. That triggered an avalanche of mud, that killed at least 45 people. Today, soldiers and rescue teams survivors were transported in military vehicles to safety. By contrast the western u. S. Is bone dry. Tonight, dozens of wildfires are burning out of control. Evacuations have been ordered in the San Bernardino mountains, east of los angeles. Hundreds of firefighters and 16 aircraft are battling the pilot fire. It has burned 4500 acres. Smoke has blown all the way to las vegas. In pakistan today, shot and killed a prominent lawyer. Then a suicide bomber attacked the hospital where mourners had gathered. At least 70 people were killed. More than 90 were hurt. Both the taliban and isis have claimed responsibility. Tonight syrias biggest city is in danger of becoming a slaughterhouse. The assad regimes army backed by iran and russia surrounded aleppo, but they have not been able to lock it down. Deborah potter reports tonight the key turning point was reached over the weekend. When a newly formed coalition of opposition fighters including some recently affiliated to al qaeda managed to barack through government lines. They released this drone footage which shows the moment a suicide bomber drove a truck through the city, and blew himself up, allowing rebel groups to advance forward and seize a military complex with ammunition and heavy artillery. It all looked so different just two weeks ago. After years of steal mate in the fight for control of the city, Government Troops backed by russian air strikes seized the rebels last remaining supply route, cutting off an estimated 250,000 people. In a desperate bid to break the siege, opposition forcings launched a successful counter offensive and surprisingly were also able to take over the main road into the government held part of the city. People live. The gain was greeted with celebrations in rebel controlled parts of aleppo. They could be shortlived. There are growing fears of food and food shortages. And the allies, say theyre amassing thousand more fighters along the front lines. The fight or aleppo is clearly intensifying and could become a pivotal battle in this war. At this stage, charlie it is unclear whether either side can thanks, deborah. I talked to michael morell, former director of the c if a until recently a cbs news contributor. He suggests the United States should support more aggressive action by syrian rebels. When we were in iraq, the iranians were giving weapons to the shiaa militia willing american soldiers, iranians were making us pay a price. We need to make the, the make the russians pay a price. Heres what i want to do. I want to go after. I want to go after those things that assad sees as his personal power base. Right . I want to scare assad. I want him to think about, this is not going to end well for me. Coming up next, a day of fun at a water park turns tragic. Later, a Wedding Guest brings a bride a priceless gift. . . R made a decision. The decision to ride on and save money. He decided to save money by switching his motorcycle insurance to geico. Theres no shame in saving money. Ride on, ride proud. Geico motorcycle, an investigation is continuing tonight into a freak accident that took the life of a child at a water park in kansas city, kansas. It happened on a water slide whose name is german for insane. Omar villafranco is in kansas city. Sunday afternoon when 10yearold caleb swab was killed riding this 17 story water slide on a raft. Two other passengers were injured. Winter persapio is the water park spokesperson. All our rides are inspected every day. Actually. Our ride are inspected by an outside party. Caleb the son of kansas state representative scott swab, enjoying the park on a day honoring state lawmakers. Saying caleb brought abundant joy to our family and although he came into contact with. Taller than niagara falls. It is dubbed the tallest water slide in the world. The attraction opened in 2014 after several delays. Adjustments had to be made to the second hill when test runs showed the raft launching off the slide. In this promotional video released by the company, three riders strap into a raft and drop down more than 168 feet miles per hour. Passengers are thrust up and over another 50 foot drop. To ride, each passenger must be at least 46. The combined weight of three riders must be 400 pounds. This girl took the plunge with friend on the watt r slide an hour before the deadly accident. The 18yearold was concerned i felt i had to hold on to keep my body from going up. I was so scared. The autopsy is complete. The results have not been released yet. Charlie, the kansas city Police Department is leading this investigation. Thank you, omar. Still ahead, Michael Phelps in this is shaving. Blades here, blades there. Some more over there. Whoa thats not a blade. This is gillette shielding. With lubrication before and after the blades. Shields from irritation for a close, comfortable shave. Proshield from gillette. Extraordinary starts here. New ky intense. A stimulating gel that takes her pleasure to new heights. Ky intense. Oh, hey jen hey. You are buying finish these days. I got a new dishwasher and they recommend finish. Really . You should try it. Narrator finish is recommended by more dishwasher brands unlike cascade gel, finish has active cleaning enzymes. Its unique powerball takes on anything, for an amazing clean. Narrator switch and see the difference. Finish. And phelps with olympic gold medal number 19. Michael phelps off to a strong start in his fifth olympics. But there was Something Else that everyone steamed to be talking about today. Ben tracy is in rio with our on the spot coverage. Out comes team usa. When Michael Phelps made his r if o debut. There were two questions how fast would he swim and whats with the purple mark all over his an ancient chinese pain relief treatment known as cupping. You can see him getting the treatment in his underarmor add. Heres how cupping works. Specialized suction cups pull the skin up and away from underlying muscles breaking capillaries. That draws blood to the area and speeds recovery. Phelps is such a fan. He instagramed the photo of himself mid cup treatment to. Day, cody miller said he is also during training. Ill have her put cups on my back. And she is like. So gross. Dara torres is medalist in swimming. Is this a fringe thing in sports or something a lot of athletes do. I think a low key trend now. That Michael Phelps has been seen with cup marks all over his body. More athletes will do it. I was doing it, in 2008 and not just for professional athletes. 2yearold, gia san angelo uses the technique to relieve the back pain. This doctor treats her at mount sinai hospital in new york. Cupping actually jump starts the bodys Natural Healing process. You can increase the blood flow and let the body do what it does to help resolve the issue. Reporter there isnt a lot of good Scientific Evidence showing the technique works. Many athletes here in rio swear by it. Womens swim team and team usas mens gymnastics team. We end tonight with affairs of the heart. A decade ago, her father gave the stranger the gift of life. Now the stranger has returned to give jenny the gift of a lifetime. Here is jim axelrod. . . R man walk her down the aisle she met the first time just the day before. Hi hi, jenny. Reporter but jenny was positive she could trust Arthur Thomas heart. Thank you so much for coming. Are you kidding. After all, it belonged to her father michael. Was killed in a robbery near pittsburgh ten years ago. Hundreds of miles away in philadelphia, Arthur Thomas failing heart had him on a transplant waiting list. But hope was slipping away. I was on deaths door. When, when when he was murdered. And i needed a heart or i was going to be dying within the next few days. Fast forward a decade to a letter jenny mailed to Arthur Thomas. And she the daughter of the man whose heart is inside of you. Would you walk me down the aisle. Reporter which is how jenny stepian got to have her fathers beating heart with her for the biggest moment of her life. It awe just like having my dad here and better because we get to share the story with other people. And other people see that organ donors do matter. And thats how hearts were both breaking at this wedding jim axelrod, cbs news, new york. Thats the overnight news for this tuesday morning. For some of you the news continues. For others, check back with us a little later for the morning news and cbs this morning. From the Broadcast Center in new this is the cbs overnight news. Welcome to the overnight news. Republican president ial nominee donald trump has outlined his plans to create jobs and cut taxes in a speech in detroit. Long argued that business experience qualifies him to lead the wrldorlds biggest economy. Monday he offered details on the changes he would make if he wins the presidency. Here is some of what trump had to say. I am proposing an across the board income tax reduction for middleincome americans. This will lead to millions of new, really good paying jobs. The rich will pay their fair share. Our ability, as a nation, to compete. Tax simplification will be a major feature of the plan. Our current tax code is so burdensome, and so complex, that we waste 9 billion hours a year in tax code compliance. My plan will reduce the current number of brackets from 7 to 3. Process. We will work with house republicans, on this plan, using the same brackets they have proposed. 12 . 25 . And 33 . For many americans, their rate will be 0. Under my plan, no American Company will pay more than 15 of their business income in your taxes from 35 to 15 . Small businesses will benefit the most from this plan. Hillary clintons plan will require Small Business to pay as much as three times more in taxes than what i am proposing. And her owners regulations will put them totally out of business and you went be able to start. You business under the tremendous Regulatory Burden that you have today in our country. I am going to cut regulations massively. My plan will also help reduce the cost of child care. By allowing parents to fully deduct the average cost of child care spending from their taxes. We are also going to bring back american businesses that are now parked overseas, they cant bring their money back into our country. Our plan will bring that cash home, applying only a 10 tax. Hillary clinton will define her own Economic Vision in an address thursday. Democratic president ial nominee will lay out her case in detroit. Nancy cordes is covering the clinton kachl paicampaign. An economy that works for the economy as trump veers offcourse. She is a monster. May be paying off. 57 of virginians tell cbs news she is prepared to be president compared to 36 who say that about trump. Name calling, probably doesnt help. She is a totally unhinged person. Shess unbalanced. The comparison enabled she performs poorly in some areas. A third of virginia voters think she can bring change to washington. Or that she tells the truth. So i may have short circuited it. Clinton gave a tortured explanation friday for why she mischaracterized the fbi directors comments, claiming incorrectly he said she never publicly lied about her emails. Direct oor comey said my answers were truthful. Thats the bottom line. Said was truthful is consistent with what i said publicly. She is lying about lying. Republicans argued she was parsing her word. She has a fundamental way to say to people. I didnt lie to you. I didnt remember what i was going to say. Mystery surround the excushion of an iranian scientist accused of being informant for the United States. Over the weekend. I ran announced he was hanged as a traltor. This strange series of events includes execution, Nuclear Secrets and u. S. Diplomacy. A scientist with Vital Information on Deadly Nuclear weapons defects to the states. Seven years later his family says he was hanged. The big question here is, what made dr. Amiri return to iran. His love for his son, may have cost dr. Amiri his life. He was reunited with his fame having received a he in tehran in 2010. His story at the team that he had been kidnapped by cia agents. He reap cysted spilling the beans on Irans Nuclear program. It soon became clear iranian authorities werent buying his version of events. He disappeared. Presumably imprisoned until this weekends announcement. Officials said amiri was executed for giving america what they called the great satan, vital and secret information. Murky tale even by the standard of international espionage. He defected to the u. S. In 2009. Secrets about his countrys nuclear program. But months later, wanted to go home. He seems to have gotten cold feet. The Senior Vice President for the center for strategic and international studies. He came up with different stories all of which were about him going back and being with his family in iraq. One of the stories claimed he had been kidnapped while on pilgrimage to mecca and tortured in eight months of captivity. Then secretary of state, clinton said amir is his own man. Mr. Amiri has been in the United States of his own free will. And he is free to go. Reporter being part of irans nook leer puclear progra dangerous game. Amiri would have known the risks. From their perspective this amiri couldnt have anticipated that when heap made the decision to go back to iran. Now the state department would give no further comment on amiri this morning. In emails released from clintons private servers, conversations refer to him as a friend who pose aid diplomatic, psychological issue in the days before he left the u. S. The cbs overnight news will can a toothpaste do everything well . This clean was like pow. It felt like i had just gone to the dentist. It just kind of like, wiped everything clean. My teeth are glowing. They are so white. Crest [hd]. 6x cleaning, 6x whitening. And at two weeks superior sensitivity relief to the leading sensitivity toothpaste. I actually really like the two steps crest [hd]. Step 1 cleans, step 2 whitens. Or life. Take a look at these bbq trophies best cracked pepper sauce. Most ribs eaten while calf roping. Yep, greatness deserves recognition. You got any trophies, cowboy . . Whoomp there it is . Uh, yeah. Well, uh, well theres this one. Best insurance mobile app . Yeah, two years in a row. Well ill be. The awardwinning geico app. Download it today. This pimples gonna last forever. Aw comon. Clearasil ultra works fast to begin visibly clearing up skin in as little as 12 hours. And acne wont last forever. Just like your mom lets be clear. At the rio summer olympics, Michael Phelps may be soaking up attention for the swim team. Another american swimmer is in the middle of an extraordinary come back. His name may not be the most familiar on the u. S. Swim team. Anthony irvin, his story is certainly the most fascinating. Later this 35, he will be the oldest male swimmer to compete in an individual event at the games, since 1904. But this isnt his first olympics. He won gold back in 2000. At the age of 19. And then vanished from the sport entirely. 15 meters left. Off awe wh when anthony irvan tied for gold as a 19yearold in the 2000 games in sydney. No. Going to the Olympic Games is an honor, enormous privilege. Gary hall, anthony irvan. Share the gold. Instead, it led to the most tumultuous time of his life. Part of what led to a lot of the angst initially was doing well and performing well, the social kind of like joy that comes from others and knowing that one has done well, and you kind of get hooked on that. You kind of need that to sus taou sustain yourself. Irvans parents are jewish, native american and africanamerican. The first swimmer of africanamerican descent to make the u. S. Team. The only problem he never identified as a black man. Did it really when people called you the first africanamerican swimmer . It caused confusion. At the height of it all, he 2003. Post olympic champion status was about rediscovering, rebuilding myself, the way i wanted to be not the way others were, at least the way perceived wanted me to be. Reporter over the next decade, irvan sold his gold medal, donated money to charity and took off on a spiritual quest. He dabbled in everything from zen buddhism to the hard partying lifestyle of playing in rock band. Instead of a pool, he s depression. Which add its deepest led to a suicide attempt, and a death defying motorcycle accident. Nearing age 30, he desperately need a shot at redemption. For me, getting the tattoos was a way of reclaiming my skin and regaining control of myself. Armed with ink he went back to school and started coaching at a swim camp for kids. The kids helped him remember what he loved about swimming in the first place. The water when i was a child, of expression and play. A place where Everything Else can kind of fall away and into this meditative state. And i got that back. He dove back into competition, and a dozen years after his last olympics, qualified for the 2012 games. With a personal best time in the 50 meter freestyle race. But in london, he only placed fifth. He is probably the most interesting human being on our team. Maybe in the whole olympic david marsh one of the u. S. Swim team head coaches. He has known irvan since anthony was 17 years old. Earlier this year, he started training him for another shot at gold. He arrived in my place, eight weeks before the olympic trials. Didnt seem as confident as i felt he need to be for the games. Then he became anthony again. Anthony has the most brilliant sprint freestyle stroke on the planet. The stroke carried him to one of this summer. And earned him a tick tight rio. Wasnt like i demanded this of myself. Reporter you didnt stay i am getting back in the pool and going to make the next olympics. No way. He has no expectations for the future, but more importantly no regrets about the past. I really try to aindividual regret. I dont think anybody should be stuck in the past. Thats a dead life if you are stuck in the past. Life moves forward. Because irvan helped the u. S. Swim team win here, ties for the record for longest gap of a u. S. Swimmer between medals. 16 years set way back in 1924. The cbs overnight news will toilet germs dont just stay in the toilet. Disinfect with lysol bathroom trigger. And lysol power foamer. They kill 99. 9 of germs. To clean and disinfect your bathroom. Mass shootings have become an all too familiar sight on television. This past week marked 50 yea that kind of horror on tv. Anna werner take is a look back in a story for sunday morning. It is a summer day in austin, as students at the university of texas stroll the campus. A day much like the one 50 years ago, long before anyone knew the term mass shooting. This is where yeah. Its the day and the spot as you lay here you can see the tower. Oh, yeah. Right over you. That day was august 1, 1966. Walter cronkite anchored a special cbs news report. A deranged engineering student at university of texas climbed to an austin landmark at noon how to day. A man perched atop the university of texas clock tower began firing on the people below. West and south side of the campus as sniper zeroed in on his target with unerring accuracy. He shot at random. For more than 90 minutes. Claire, an 18yearold student, 8 months pregnant walking on campus with boyfriend tom eckman. At first didnt know what was happening. You never heard the shot . I just felt a big jolt. Then i started falling. Reporter as she fell to the pavement, her boyfriend, tom, turned to ask her what was wrong. The next thing she knew, he was lying dead next to her. And she couldnt move. You thought you were dead . I thought i was going to die. Yeah. The killer was 25yearold Charles Joseph whitman, a former marine sharpshooter. Unknown to anyone, he mother in their homes, before heading to the towers 2th floor Observation Deck with multiple guns. It was the first School Mass Shooting in modern u. S. History. He affect sewed many lives in that one day. Retired texas ranger, martinez was a young officer with the Police Department at the time. Arriving on campus. He couldnt believe what they could hear all of the shooting going on. It was look a war. Back then, there was no such thing as Rapid Response teams. It was left to martinez and civilian, followed by a fellow officer, houston mccoy to climb to the top of the tower. To face off against the sniper and his arsenal. As martinez described it at the time. He didnt have it level. As and i just kept firing. I could tell by impact that i hit him. I kept advancing. Shooting. Mccoy shot and hit him. And started going down. The shooter was dead. He killed 16 people that day. And injured dozens more. The mass shooting brought fundamental changes to Police Departments. For decades at u. T. The only reminder of the terrible day could be find on this rock. Keith maitland who went to school there wondered why he never heard more. This is a story i think that anybody who grew up here has heard a little bit about. But if you want to get past just that little bit there isnt really a lot out there to kind of fill in the blanks. So he made a called tower. We can see the movement south side of the clock. It uses animation and Archive Footage to tell the story of the day. The shot hit me. Rick shade o ricochetted off the building. Then what happened . Then everybody ran. What i want to understand what was it look to live through Something Like this . The worst days of your lives. Reporter in the process he wound up reconnecting people who it turned out had not seen each other since that day, 50 years ago. People like Claire Wilson james. Hi, claire. Hello, baby. And artly snuff. Snuff was just a teenager at the time. Thats him on the right in the dark shirt. Running out in full view of the sniper to pick claire up and carry her some 100 yard down the steps to safety. Something he says he simply felt he had to do. Because she was shot. She was obviously pregnant. It was the most horrific day of my life. To this day . Oh, gosh, yes. I didnt go to war. That was my war. Because why . Because the blood. The loss of innocence. I think what i probably learned the most is that you have to deal withdr trauma. For people who werent given an opportunity it really sits with them and kind of eats away at them over the course of the rest of their lives. Reporter even people you might not expect. Like ray martinez, who before he was a police officer, was a [ gunfire ] reporter he told us on the way to the tower to stop the sniper that day he was forced to run past claire as she lay bleeding on the quad without stopping to help her. That day i was thinking like a medic but also thinking like a policeman. I saw her wounded. And i felt like it was my duty to grab her and take her out of there. Reporter in the movie version of this, youre the guy the day. And you are telling me that even you, are wracked by guilt . Well, if you are a human being and you got feelings for people, yes. Reporter the university is now taking steps to remember those lost. This past week, a new larger memorial was dedicated. Listing the names of those killed. Including Claire Wilson james boyfriend and also her baby. And in the shadow of the tower, there is now friendship. And healing for survivors. And from claire, Something Else. And you forgive him . Oh, yeah, how could gods forgiven me everything i have done. That kind of person. Rom being you know, that, that decide to go that way. Him . I mean hes, he was just a a video of a massive alligator roaming a golf course is getting a lot of attention on line. David begnaud has the story behind the siting. Reporter the golfers who took the video were in disbelief. A giant gator standing high its legs just saintering across the golf course. It is a sight so unreal, that chubs, as he has become known, is something of an internet phenomenon. The individually that made him famous has been viewed more than 19 million times. But regulars here in palm meadow, florida, are unfazed. This is a great course, you see a lot of gators out here. Big ones. Fighting. Running across. Its pretty interesting course. I mean its fun. Realize, these things go very short distances billion out they tire out quickly. Theyre fast. Theyre fast for a short distance. Like us old guys. You know . His head was about here. Course manager ken powell says chub has been a fixture on the fairway for years. He believes the gafor is at least 15 feet long and likely 40 or 50 years old. When chubs comes out, play doesnt stop. If golfers hit a ball close to another one. And play right on through. He is not a nuisance alligator. We have no plans to have anybody come and take him away. He is not hurting anybody. Reporter once kidded endangered. Alligators are federally protected species. More than 1 million reptiles in habit florida. Fatal attacks on humans are rare. Only six have been recorded in the state in the last 10 years. And that includes the killing of a 2yearold boy at disney world body of freshwater. Tim geist is a trapper and says alligators should always be treated as a potential threat. A lot of the public doesnt understand when they feed an alligator theyre creating a monster. Feed the alligator, he is going to coop coming back for more, gets bigger, bigger, bigger. Sees you as potential meal. Reporter chubs may look like a monmonster, but the club belis as long as patrons leave him golfers and gators can peacefully cope exist. Thats the cbs overnight news for this tuesday morning. For some of you the news continues. For others check back later for the morning news and cbs this morning. From the Broadcast Center in new . Its tuesday, august 9th, 2016. This is the cbs morning news. O message, but his economic speech couldnt keep ranking republicans from jumping ship. 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