Response to the shooting of an unarmed black man by a white officer. No wrongdoing was found in the shooting, but there was plenty of it in the department. Heres dean reynolds. Reporter in the seven months since the shooting death of Michael Brown chief tom jackson has been the face of the Ferguson Police force and its chief apologist. This is what he told us less than three weeks ago. Did you discover a racial problem in the department . No. Reporter none . No, there is not a rarely problem in the Police Department. Reporter is there a racial problem someplace else . No. Reporter while the department of justice exonerated white Police OfficerDarren Wilson in browns death, it issued a followup report last week that said place Police Harassment in ferguson was routine and included arresting, jailing and even tasering African Americans unnecessarily. Furg isnts police force is almost all white in a town that is twothirds black. In addition to finding emails on city accounts that depicted president obama as a chimpanzee the d. O. J. Discovered a strategy to boost city revenues through tickets and fines written by a police force that displayed racial bias and stereotyping. Did you know he was a suspect in the case or did he not know . Reporter since the report came out, the two cops tied to the racist emails have quit. A city judge has left. The city clerk was fired, and last night city manager john shaw departed but insisted, my office has never instructed the Police Department to target African Americans. Tonight jackson issued a statement saying it has been an honor and a privilege to serve and that he is resigning as chief with profound sadness on march 19th. He said he believes this is the appropriate thing to do at this time, scott, so ferguson can move forward without any distractions. Pelley dean, thank you very much. There is also breaking news tonight in that scandal at the university of oklahoma. It turns out that Fraternity Members there had been chanting racial slurs for years and Jericka Duncan is in norman for us tonight. Jericka . Reporter good evening. Its more bad news for this fraternity. Leaders of the Sigma Alpha Epsilon chapter at o. U. The board of trustee issued a statement within minutes. It says it discovered a horrible cancer entered into the o. U. Chapter of s. A. E. Three to four years ago and was not immediately and totally stopped. It should have been. We are sincerely remorseful for the pain that this terrible chant has caused and would ask for forgiveness. Of course, this comes just a day after two students were expelled. Scott, University Officials say that more punishment could be coming for other s. A. E. Members. Pelley Jericka Duncan reporting from norman oklahoma. Jericka, thank you. Theres even more breaking news its been a busy evening this one coming from the white house. We have learned of an investigation of misconduct involving the secret service. It came from an incident that happened a week ago, and our Major Garrett has details tonight. Major . Reporter scott two secret Service Agents are under investigation for driving an Agency Vehicle while under the influence of alcohol and crashing it into a barrier near the white house grounds on march 4th. One of the agents holds the numbertwo position in president obamas protective detail. The other agent is a senior supervisor in the Washington Field office. Both agents have been reassigned to desk jobs and stripped of their management roles while the department of homeland securitys office of Inspector General investigates. The white house first learned of this episode when new secret Service Director joe clancy informed president obamas top advisers. Scott, were told the president is fully aware of this matter and supports a complete investigation. Pelley major, thank you very money. Today the Associated Press filed suit against the state department, claiming the department is withholding documents that should be made public. This comes a day after Hillary Clinton explained why she used private email while secretary of state bypassing the departments recordkeeping system. Clinton said she did it for convenience. Tonight thick fog is hampering the search for seven marines and four soldiers missing after their helicopter crashed last night off the florida panhandle. Mark strassmann is at the scene. Reporter this glove at the waters edge was among the crash debris. Along a sixmile front of Santa Rosa Sound dozens of search boats and coast guard helicopters, 100 personnel in all, battled some of the same fog that swallowed the doomed black hawk. Airmen combed the beach. Officially this remains a searchandrescue operation, but the 11 missing Service Members are presumed dead. Air force major craig savage is part of the search. I think we always hold out hope any time there is a crash. I know we have an incredible search and rescue team, so i know theyre going to be doing anything and everything they can. Reporter two black hawks took off on a Training Mission last evening. One turned back because visibility was poor. Less than two miles. Around 8 30, a woman on shore reported hearing an ominous sound in the fog like something metal being hit or falling over followed by two muffled explosions. The uh60 black hawk lost contact. Its crew of four Army National guardsmen and seven marines aboard disappeared. Major general glenn curtis. You can depart from one station and hit weather that you didnt expect, and so the conditions have to be right for them to take off. Now, what they run into while they are airborne is a different story. Reporter the National Guard pilots were combat vets and also instructors. The armys highest rating with several thousand hours of flying time in black hawks. The missing helicopter did carry a flight data recorder another focus of this search. The names of the servicemen have not been released. The army and marines are notifying their families. As you can see behind me, scott. The heavier fog has rolled in again, but the search goes on. Pelley mark, thank you very much. Today at the Boston Marathon bombing trial, we saw video for the very first time that prosecutors say shows the tsarnaev brothers next to a police car where an officer was murdered. Don dahler reports that the government says that killing was part of their escape plan. Reporter after a very Detailed Analysis of photo video and other evidence were releasing photos of these two suspects. Reporter the moment the f. B. I. Decided to unveil the photos of the two suspects three days after the bombings the end game was many play. Prosecutors told the jury the men known only as black hat and white hat prepared to flee, but they needed something first, and they were willing to kill rookie mit cop sean collier to get it. Officer down. Officer down. Ed davis was Bostons Police commissioner at the time. Why do you think they targeted officer sean collier . I believe it was because they were trying to find another firearm. Thuuey needed another handgun and they saw him and they thought they had an opportunity to get his gun. Reporter did they get his gun . They did not. Reporter mits chief of police, john difava, showed the court why. Colliers hollister had special safety locks that wouldnt allow anyone else to remove the gun. The jury was shown distant Surveillance Video of dzhokhar and Tamerlan Tsarnaev approaching colliers patrol car and allegedly struggling to retrieve his gun. At that moment grad student nate harmon rode by on his bike. He told the court, there was someone leaning into the drivers side door. He snapped up, looked around and he looked startled. Prosecutor do you see that person in the courtroom today . Harmon yes pointing toward tsarnaev, hes right there. He has a blue shirt on. Reporter does it get any better in terms of an eyewitness than that . New york it doesnt. When you have an eyewitness that can make a positive i. D. , its a very powerful fact for the jury. Reporter a little more than 24 hours later, Dzhokhar Tsarnaev was in custody and his brother was dead. Scott, the prosecution says that the trial is going so fast that they expect this might wrap up within two weeks. Pelley don what do you expect in the days to come . Well, tomorrow they expect to put on the carjacking victim who prefers to remain anonymous. Youll recall he escaped at one point, and the police say that that action directly led to the ultimate and bloody confrontation with the brothers. Pelley don dahler in boston for us tonight. Don, thanks very much. The tsarnaev brothers were radicalized in part by extremist web sites. Well, now in britain something similar appears to have happened to three schoolgirls who slipped away last month to join isis in syria. The girls families told their stories in an extraordinary hearing in parliament, and Elizabeth Palmer is following this. Did you have any idea or any ijling inkling whatsoever that your family members were involved in radicalization or had been radicalized. They were into normal things. He used to watch keeping up with the kardashians and things like that. But 15yearold shamima begam and friends Kadiza Sultana and apparently secretly talking to isis recruiters on social media. In midfebruary security cameras caught them en route as they ran away to syria, having stolen family jewelry to pay for their tickets. The begam family was devastated when shamima went missing. Shes my baby. We just want you home. But wondered the politician, were there any warning signs . After all, a friend from the girls school in east london had also run away to syria just a month before. London police chief admitted that officers on that case should have alerted school mates families directly. We failed in that. Of course, were sorry. Reporter but said the police, vigilance needs the start at home. If parents cant see changes in behavior that involves stealing from changes changing appearance, i think its very hard to expect the police, who are doing an investigation, to spot these signs. Of course. Reporter as the politicians here, as well as the police and the families know very well, the pressure to spot the signs couldnt be more urgent. The police estimate, scott that 22 young girls have left home to run away and join isis in syria in this year alone. Very few people understand what the draw is, what it is that makes them get on that plane. Pelley liz palmer reporting to us tonight from london. A new therapy to fight brain tumors extended this womans life. I was told i would have two or three months to live. Pelley and an update on the miracle baby that survived a deadly crash when the cbs evening news continues. The garden is the story of our lives. Told and retold. Its as old as our time on earth. And as new as tomorrow. You can have a yard. Or slightly less. Gardening isnt about where we choose to live. Its about how we choose to live. Miraclegro. Life starts here. I have a cold with terrible chest congestion. I better take something. Theraflu severe cold doesnt treat chest congestion. Really . New alkaseltzer plus day powder rushes relief to your worst cold symptoms plus chest congestion. [breath of relief] oh, what a relief it is. woman the constipation and belly pain feel like a knot. How can i ease this pain . man when i cant go, its like bricks piling up. I wish i could find some relief. announcer ask your doctor about linzess a oncedaily capsule for adults with ibs with constipation or chronic idiopathic constipation. 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I was actually told that i would have two or three months to live. Reporter in 2006 hillburn began an experimental cancer vaccine therapy at duke university. To prepare the vaccine a patients white blood cells are extracted and exposed to protein from a virus called c. M. V. C. M. V. Is found in glioblastoma cells but not in healthy brain tissue. Like a bloodhound give an scent the bodys immune cells use the c. M. V. Protein to find and then destroy the cancer cells. Dr. John sampson is professor of surgery at duke. Reporter because our immune systems are particularly adept at attacking viruses we felt it would be a great opportunity for us to attack the tumor by attacking the virus. Reporter in early studies the vaccine did not work well, so a tetanus shot was added before treatment the prime the immune system. Tetanus produces a certain chemical which is a superactivator for the vaccine. Reporter six patients received cmv alone and survived 18. 5 months. Six others got a tetanus shot first, three survived for an average of 22 months. Two lived for about five and six years, and one hillburn is still healthy at nine. You had one grandson before you got sick. Yes. Reporter did you ever imagine you would be able to be around to see five more grandchildren. This sounds so obnoxious, but yes. In fact, i think im good for at least another ten years. Reporter scott, the reason were covering such small trial is that glioblastoma is such a brutal cancer with very limited options. This does provide a glimmer of hope, but it does have to be replicated in other institutions. If it is, it could be useful therapy. Pelley why doesnt the immune system attack cancer naturally. Well, cancers of all kinds are insidious and theyre able to hide themselves. Its almost like they put a cloaking device on them. This strips them of the cloaking device, allows the immune system to track it down and kill it. Pelley fascinating. Jon, thanks very much. Utah may be on the verge of bringing back executions by firing squad if lethal injection drugs are not available. The legislature approved a measure to do so last night and the governor is considering it. Supporters say firing squads are more humane than lethal injections, which have led to drawnout, botched executions. Today two boxing champs stared each other down. Soon theyll be staring at a record payday. Thats next. Potassium and phytosterols which may help lower cholesterol. New ensure active heart Health Supports your heart and body so you stay active and strong. Ensure, take life in. Claritind presents two allergy sufferers. One had allergies with nasal congestion so he tried the newest allergy spray, which could take several days to feel the full effect of relief. The other went straight to the pharmacy counter for the fast, powerful relief of claritind. Its tough on allergies with nasal congestion and starts to work in just 30 minutes. The moral . 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Reporter Floyd Mayweather and Manny Pacquiao walked the red carpet in los angeles today to hype their fight. The fight is on and youre very excited. I know youre very excited. May 2nd. The fight of the century. Its all about the best fighting the best. Reporter the may 2nd showdown is five the making. The undefeated mayweather could earn 120 million. The scrappy pacquiao 80 million. But this is also about getting boxing itself off the ropes. I am the man, all over the land. Reporter its been decades since muhammad ali, Sugar Ray Leonard and mike tyson were household names. The sport lost some masss appeal when it worked from network tv to payperview and an endless number of titles makes it hard for casual fans to follow. So this is the one that will top them all. Working columnist david avila thinks the mayweatherpacquiao fight is just what the sport needs. Were going to be cloudy to the television. Reporter is this going to be enough to bring boxing back to the forefront . Actually, this fight will do it. Youve got two trains going at full speed. Well find out who wins. Reporter and find out if box canning take a hit and still stay on its feet. Ben tracy, cbs news, los angeles. Pelley well, it was firemen who were doing the fighting when a fuel truck caught fire and burned for four hours today near dearborn michigan. I94 was shut down as flames and smoke shot high in the air burning fuel leaked into sewers at least two cars caught fire, but only two minor injuries were reported. The utah desert lit up today in a spectacular display as nasa test fired a soupedup version of a Space Shuttle solid rocket booster. It passed the test, burning for two minutes inch three years this rocket will be carrying an orion capsule to the moon. Baby lily is home from the hospital tonight. Lily just 18 months old survived a car crash that killed her mother near Salt Lake City friday night. Lil yess father released this video calling her recovery a miracle. She was found at least 12 hours after her moran off the road into a river. Lily was upside down in her car seat with her head just above the water. Its a relocation project like none other. How do you move a dozen rhinos . Well show you next. Your eyes depend on a unique set of nutrients. Thats why theres ocuvite. Ocuvite helps replenish key eye nutrients. Ocuvite has a unique formula thats just not found in any leading multivitamin. Help protect your eye health with ocuvite. Sunday dinners at my house. Its a full day for me, and i love it. But when i started having back pain my sister had to come help. I dont like asking for help. I took tylenol but i had to take six pills to get through the day. So my daughter brought over some aleve. Its just two pills, all day and now, im back aleve. Two pills. All day strong, all day long. And now introducing aleve pm for a better am. Meet the worlds newest Energy Superpower. Surprised . 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We want to get them in an area thats nice and open. On the ground, the park warden is in constant touch. Carry on. Once the rhino is hit with the tranquilizer, our convoy speeds across the is a van nap. We have only a few minutes to find the rhino and inject an antidote before there is any fatal or longterm injury. The rhino is blindfolded. Its ears are pout all senses. This is not a pleasant experience for the rhine york but it is a brief period of discomfort that could ultimately save his life. I was lucky today. [inaudible]. Moving a groggy, 3,000pound rhino often takes more than two dozen men. Mychal cooper coope re and his team darted this huge female, but naylor says the poaching crisis demands desperate action. My day is spent protecting these rhinos. Ive had to double our guard force. Weve really had to become a fortress just to protect the rhinos that we have. Reporter in two days the team captured ten rhino, but poachers killed 1200 rhino last year alone. Right now it looks like an insurmountable task, but you have to keep at it. If you throw up your hands, youve lost. Reporter for these rhino new hope as they begin their 900mile journey far away from the deadly reach of poachers. Debra patta, cbs news johannesburg, south africa. Pelley saving the natural world. Thats the cbs evening news for tonight. For all of us at cbs news all around the world, good night. Captioning sponsored by cbs captioned by Media Access Group at wgbh access. Wgbh. Org a nightmare on the gw parkway as a lunar landscape of potholes flattens tires and shatters rims. Under investigation for allegedly driving a government car into a White House Security barricade, a new scandal could be brewing at the secret service. Reporter the big east is in the big apple once again. Im Kristen Berset outside Madison Square garden, more on the georgetown hoyas final prep coming up. Good evening. Im jan jeffcoat. And im derek mcginty. Tonight we begin with a story that every driver is complaining about today, potholes, and the problem looks worse than ever. Two of the worst areas, George Washington parkway and bruce leshan joins us. Reporter the traffic is bad for evening rush but nothing like this morning. See this rim is dented right here from a pothole. Reporter this man fruitlessly tried to rescue his wifes mazda after a 5 30 a. M. Rescue call. She was just upset because here she is pitch black on the side of the road, cars flying past, very scary. Reporter thousands of motorists were jammed in the backup. 15 to 20 cars had their rims shattered or tires flattened by a field of potholes that opened in the southbound lanes of the gw. Car were littered across the shoulder, others stuck in the muck in the median after trying to bail out. Al ingram towed dozens of cars. This is bad. Bad. Reporter a lot of unhappy people. Oh, yeah. Reporter its still unclear if the park service will help people with the cost of damage to their cars, but it does say that you can contact