This is the cbs weekend news. Duncan good evening. Im jericka duncan. We begin with breaking news, a deadly mass shooting at a walmart in el paso, texas. The numbers are staggering at least 20 dead, more than two dozen injured. The suspected gunman is in custody, identified as 19yearold patrick crusius. He allegedly showed up at the walmart armed, and, with a grudge, detailed in a manifesto he reportedly wrote and posted on an extremist web site. Witnesses say the gunman shot randomly and repeatedly. Janet shamlian begins our coverage. Reporter these surveillance pictures show the alleged shooter moments before the attack at the Walmart Super center. El passo Police Sergeant robert gomez says they have one person in custody. We believe he is the sole shooter. The person who was taken into custody was taken into custody without incident. And no Law Enforcement personnel fired their weapons. Reporter the shooting started just before 11 a. M. Mountain time. I wasnt really paying attention, but i heard dododo. And then, like, closer together. I told him theres a shooter, and we took off running towards the back of the store. Reporter a massive Emergency Response was sent to the busy mall area on the citys east side, just off interstate 10. The f. B. I. And a. T. F. Are on the ground, helping El Paso Police. The walmart is part of a large shopping area, sharing a parking lot with the cielo vista mall, which has more than 140 stores. Shoppers were running for cover as word of the shooting spread. Texas governor George Abbott on a day that would have been a normal day for someone to losurely go shopping, turned into one of the most deadly days in the history of texas. Reporter beto orourke said hes cancelling events and heading home. I am very sad and it is incredibly hard to think about this. But ill tell you el paso is the strongest place in the world. Reporter tonight, President Trump has been briefed. The white house says its monitoring the situation, and Texas GovernorGeorge Abbott has already arrived in el paso. He is meeting with Law Enforcement. Jericka. Duncan thank you, janet. And police are saying there were as many as 3,000 people at this walmart . Reporter yeah. This is taxfree weekend in texas. Its designed to help families cut the cost of backtoschool expenses. So, all the stores, including this walmart, were just packed today. Ind, also, jericka, you were thkely to find many more children in the stores today. Duncan wow. Aoughts and prayers going out to that community tonight. Ganet shamlian, thank you. E vestigators are now trying to determine a motive in todays massacre. Chief justice and Homeland Security correspondent jeff pegues is following that part of our story. Jeff. Reporter tonight, El Paso Police are leading this investigation, but they are getting a lot of help from the f. B. I. And a. T. F. There is a lot of evidence to sort through, as weve seen. There is Surveillance Video of the gunman walking in with his weapon. There is cell phone video and hundreds of witnesses to interview. And in the search for a motive, there is a note the alleged shooter posted online around the time the shooting began. The writer of the note said the shooting was a response to the hispanic invasion of texas. And the writer of the note also cites the christchurch shooter in new zealand, which is a reference to the mass shooting at two mosques that killed 51 people. Duncan jeff, when you think about the amount of people that were at that walmart possibly, as janet just said, up to 3,000 talk about how that impacts the crime scene. Reporter well, this is going to be a lengthy investigation, and as weve seen in other activeshooting investigations, jericka, the f. B. I. Will likely take the lead, gathering evidence at the crime scene. Investigators will collect bullet casings, clothing, and theyll interview every witness that they can find. The f. B. I. Has databases that it uses to collect all this evidence. Another important point here theyll want to know whether the gunman had scouted this location in the past, if he had specific targets, and whether he had accomplices. The f. B. I. Will or the a. T. F. , rather, will trace the weapon to see if it was purchased legally, and, if not, how the gunman was able to get his hands on it in the first place and the bullets. Jericka. Duncan thank you, jeff. Ond, of course, well continue to follow this developing story. In other news tonight, three people are dead and two are injured after a cliff collapse ap a california beach. It happened late yesterday in the city of encinatas, north of san diego. Earter evans reports. We still have one trapped. A reporter tense moments as lifeguards and beachgoers search for survivors beneath tons of dirt and sandstone. I saw lifeguards frantically digging out bodies out of the earth where the bluff sheered off. S reporter witnesses say the cliff collapse came with no warning friday afternoon. Its a grim scene. Ay reporter investigators say one woman was killed on the beach. Two other victims were airlifted and died later at the hospital. The scene was littered with chairs, towels and beach toys. There was a family that was pulled off to the side, quite a large group of them, a lot of kids involved and several adults. And they were clearly eistraught. Reporter cliff collapses like this are fairly common along this part of the eroding california coastline where nssted signs and lifeguards warn beachgoers to stay away from the unstable bluffs. We have over 3,000 contacts knually just on, you know, those things. And we tell people over and over and over, you know, to stay back from these naturallyeroding cliffs. Reporter experts say this part of the bluff is still active, and theyre concerned about another collapse. So, theyve closed this area off, and they plan to keep a lifeguard here all weekend to keep people away. Jericka. Duncan carter evans, thank you. One week after President Trump called out Elijah Cummings and his baltimore district, the congressman is responding. The maryland democrat spoke out for the first time today about the president s recent barrage of insults. Heres nikole killion. I do not have time for people who want to trash our city. Ar reporter maryland ahngressman Elijah Cummings had a clear message for President Trump, even though he never mentioned him by name. Do not just criticize us, but come to baltimore, and i promise you, you will be welcome. Reporter cummings spoke at a playground opening in baltimore, his first Public Comments since the president slammed his district as a disgusting rat and rodentinfested mess where no human being would want to live. When i hear criticism by anybody about my city, i think the thing that bothers me most is that we have a situation heere there are folks who are stepping on the foot on the hope of our children. P reporter throughout the week, the president defended his comments and didnt let up. Those people are living in hell in baltimore. The homicide rate in baltimore is significantly higher than el salvador, honduras, guatemala. Reporter and the president took heat after this tweet following reports that cummings lltimore home was robbed, though he later told reporters he meant no harm. I know his house was robbed, and i thought that was too bad. That was really just that was really not meant as a wiseguy tweet, i mean. Reporter despite the war of words, cummings says that he does not support impeaching the president even though a majority of House Democrats now favor an inquiry. Jericka. Duncan nikole, thanks. Turning to another member of congress, you know, the president announced friday that texas republican John Ratcliffe un out of the running for director of national intelligence. Where do things stand when it comes to that, nikole . Reporter well, the president said that he is working through a short list this weekend while hes in bedminister. He said he is looking at about three people in the intelligence world and could have an answer by monday. Y. Ricka. Duncan all right, thank you very much. The countrys largest Detention Center housing Migrant Children has been closed. Cbs news recently had exclusive access to the forprofit facility in homestead, florida. Reports say hundreds of children centercked up in vans in the has middle of the night between 1 00 a. M. And 7 00 a. M. Today. Government Officials Say most were relocated to other facilities. The homestead Detention Center has been under intense scrutiny for its treatment of unaccompanied minors. Demonstrators in hong kong have taken to the streets for a ninth consecutive weekend. Protests over a nowsuspended gltradition bill have grown bigger and increasingly violent. Debora patta reports. Ho reporter the streets of hong kong were choked with tear gas once again today as police and protesters clashed for the eighth week in a row. It followed a familiar pattern beginning peacefully, chanting, g. Ree hong kong. But as night fell, tensions rapidly escalated. Demonstrators goaded security forces, lighting a fire outside a Central Police station in a popular tourist area. Bricks were thrown and laser pointers flashed at the police uailding until, eventually, they had had enough. After several rounds of tear gas were fired, the protesters have been pushed back here. Theres now a tense standoff with the police. Theyre refusing to budge. Moments later, the demonstrators pushed forward once again. This time, Police Responded with even greater force. They are not without some support, like this probeijing nally held in favor of the police today. But there is a far greater momentum within the prodemocracy campaign. Even normally nonpartisan civil y tvants came out in force yesterday to show solidarity with the movement. Debora patta, cbs news, hong. Ong. Duncan prodemocracy protests in russia today also got rough. Police in moscow used force on nsople demanding Fair Elections in the capital. About 600 people were arrested. A week ago, some 1,400 people were detained in similar protests. Investigators expect toxicology to help determine how the granddaughter of robert f. Kennedy died. Rsyearold Saoirse Kennedy died yesterday died thursday, rather. Adriana diaz is in hyannis port, massachusetts. K reporter mourners arrived at the Kennedy Compound late today to pay their respects to the kennedy family. According to a community officer, calling hours were from 5 00 p. M. To 7 00 p. M. And security was tight. Thursday, Police Received a report of an overdose at the compound and found 22yearold Saoirse Kennedy hill unresponsive. The familys cape cod compound, which is just onshore, is where they spend holidays and summer vacations. Saoirse was on summer break when she was at the compound. Thats where her grandmother, ethel, lives, the surviving wife of bobby kennedy. Hill was the daughter of bobby and ethel kennedys fifth child courtney. The family sailed in the boat the glide the day before saoirses death. This was saoirse just last week. Air uncle, r. F. K. , jr. , said she had a gift of laughter. Maria shriver called her brave. And her aunt Kerry Kennedy commended saoirses devotion to human rights and womens empowerment. In high school, she created a Student Group to fight against sexual assault. And in the school paper, she wrote about her own sexual assault, her struggles with depression, and attempted suicide. I did the worst thing a victim can do, and i pretended it hadnt happened, she wrote. This all became too much, and i attempted to take my own life. She also condemned the stigma of Mental Illness just because the illness may not be outwardly visible, doesnt mean the person suffering from it isnt struggling. Kennedy hill was going to be a senior at boston college. When she was in high school, she actually took medical leave to saidt her depression, something she said she would struggle with the rest of her life. Jericka. Duncan adriana, such a heartbreaking story when you think about how public she was about her own struggles with depression. Whats the latest with the investigation into her death . Reporter well, jericka, her autopsy found no bodily tijuries, so we are waiting for that toxicology report for confirmation about a possible sierdose. Duncan all right, adriana diaz for us. Thank you very much. Coming up on cbs weekend news, we suit up with the rescuers saving tourists in trouble. Plus, is gangster John Dillinger really buried in his grave . And well have much more on todays mass shooting thats claimed at least 19 lives in el paso, texas. Were back right after this. To buy Life Insurance and looking on a fixed budget, remember the three ps. What are the three ps . The three ps of Life Insurance on a fixed budget are price, price, and price. A price you can afford, a price that cant increase, and a price that fits your budget. Im 65 and take medications. Whats my price . You can get coverage for 9. 95 a month. I just turned 80. Whats my price . 9. 95 a month for you, too. If youre age 50 to 85, call now about the number one most popular whole Life Insurance plan available through the Colonial Penn program. It has an affordable rate starting at 9. 95 a month. No medical exam, no health questions. 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Reporter yosemite searchandrescue teams have been preparing for a potentially deadly summer fueled by the wests record mountain snowpack, now melting and filling up lakes and streams at unprecedented levels right as people are heading to the water to cool off. Moose mutlow is the teams senior instructor. There will be fatalities generally associated with water incidents. Twothirds of the operations i he on with water are body recoveries. Over the top. Hand comes through this point here. Reporter we suited up to experience searchandrescues rigorous training firsthand. Cm a pretty strong swimmer, ofd ive got to say, this is pretty intimidating. L. Swam into the strong current and became part of this rescue drill. Swimmer swim to me reporter rescue teams only have one shot to grab hold of me. Grab the rope grab the rope youre only in the water for what amounts to a few seconds, but within that time, you lose your energy so fast. And its so cold, it sucks the air from you. Im breathing really hard. You have to assert yourself within that situation to save furself because were a long way behind trying to help. Reporter despite the dangers, visitors are flocking to National Parks with phones in hand to document their time in the forest for social media. But park ranger james cox says getting distracted could be deadly. Rk we would use a lot of judgment and awareness around the edge of a cliff and a large fall. We have to bring the same awareness and judgment to the river so we dont get caught off guard. Reporter caught off guard pud pulled under. Jonathan vigliotti, cbs news, Yosemite National park. Duncan next on the cbs weekend news, why the body of llngster John Dillinger is about to be dug up decades after the f. B. I. Gunned him down. Cologuard colon Cancer Screening for people 50 and older at average risk. Honey, have you seen my glasses . Ive always had a knack for finding things. Colon cancer,to be exact. And i find it noninvasively. 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