After torrential rains flooded parts of texas. At least four people have died and several others are missing. After some areas were hit with more than 20 inches of rain. Sunny day. Reporter the rain stopped in some areas floodwaters continue to rise submerging cars and stranding drivers. Some rivers could reach record levels in the next few days. Prompting several Rural Counties between austin and houston to call for evacuations. Hundreds of residents including Curt Whiteman have been forced from their homes. Ive been here 20 years. And this is, never been under a flood yet. This is the worst. Reporter 21yearold Darren Mitchell posted an eerie picture from inside his truck on facebook as water surrounded him. All i wanted to do was go home. Witness leshondo saw mitchell struggling. Got out. Bed of his truck. In the bed, on top of his truck. Then all of a sudden got back in his truck. Maybe, 15 minutes after he was in his struck it just flipped. And top sided into the water. Reporter Washington County officials confirm one of the bodies they recovered on saturday was mitchells. See his truck like that. And know i witnessed Something Like that. It just hurts. Reporter today in kansas crews resume the search for an 11yearold boy apparently swept away by a swollen creek on friday. Elaine, last night officials announced the search for the young boy has turned from a rescue mission into a recovery mission. Sad news. Thank you. Tropical storm bonnie became tropical depression bonnie today. The storm not only spoiled the Holiday Weekend for beach crowds in the carolinas, it also caused major traffic problems. David begnaud is in South Carolina. David. Reporter elaine, standing alongside, internate 95, a parking lot. Tropical storm bonnie a distant memory but rain bands from it have created a traffic nightmare. When can you walk on the interstate . It has been closed like this since 7 00 this morning and it goes like this for ten miles. Elaine, one man told me i dont have enough gas to stay like this on the side of the road. Some people have been stuck in their cars for nearly eight hours. I want to show you a picture what it is like six miles ahead. A onemile stretch of the southbound lane of interstate 95 here in southern, South Carolina that is underwater. Nearly waist deep. In fact we have video. One couple rescued. Their car was stranded on highway 17 off interstate 95. They left their vehicle. Came back to get something. And became stuck in the floodwater had to be rescued the we are in Jasper County, South Carolina. And across this area, what is known as the the low country here in South Carolina, there is significant and severe flooding. And whats happening we are being told from local meteorologists a system that was a part of Tropical Storm bonnie is now sitting over this a Jasper County area and the rain has not let up. Back live now along interstayed 95, elaine, i asked one trooper, how long do you think the interstate will be closed. He said we are making preparation for tomorrow. But again, some people have been sitting in their car since 7 00 this morning. Elaine. Difficult situation for travelers there. David begnaud, in South Carolina. Republican president ial candidate donald trump rolled into washington, d. C. For the Rolling Thunder biker rally one of the largest motorcycle rallies in the world held every memorial day weekend to honor prisoners of war and troops missing in action. Julianna goldman is in washington. Elaine, donald trump delivered this standard trump speech tearing into Hillary Clinton touting his immigration proposals but gave a special shout out to troops and veterans on this memorial day weekend. We are going to rebuild our military. We are going to make it bigger and bigger and better and stronger than ever before. We are going to take care of our veterans. Our veterans have been treated so badly in this country. Trump spoke in front of a smaller than expected crowd at the Lincoln Memorial to some of the thousand of bikers that ride into the Nations Capital every year to pay tribute to troops honoring veterans, prisoners of war and troops missing in action. Trump thanked them, but didnt make any reference to his controversial comments last year when he said that senator john mccain who spent five years as a pow in vietnam was not a war hero. At the time he said he is a war hero because he was captured. I like people that werent captured. While mccain still maintains trump needs to apologize for the comments, he also says he will be supporting his partys presumptive nominee. Trump did announce today that on tuesday, he will be releasing the names of Veterans Charities that received money he raised earlier this year. The billionaire businessman has come under fire for not fully accounting for the 6 million he says came from a january fund raiser just before the iowa caucuses. Elaine, a spokeswoman for Rolling Thunder told the Washington Post that the organizations founder supports trump. Brushed aside the controversies and said trump will make our military great again. Julianna goldman in washington. Thank you. John dickerson is cbs news political director and host of face the nation. So, john, we have seen these very heated protests against donald trump continue. How worried is the rnc that its convention could look like what we saw in new mexico and california this past week . I think theyre worried. They believe that a lot of the protests are setups. This isnt people just expressing their First Amendment rights but that these are mischief makers trying to cause calamity for the republicans theyre well aware of it. Authorities, in ohio, are well aware of it. And so, theyll any just have to hopefully manage it. But we wont know until we get there. Turning to the democrats how much of a set back for the Clinton Campaign is the email controversy . The email report from the Inspector General at the state department is a problem for two reasons. One it reminds people of questions they had about the way hillary runs her affairs. That, questions have been there for, for a long time. And the other problem is that it gives a realtime fresh example of some of the problems people have had with the question of whether she is honest and trust worthy because her answers and campaigns answers are at odds with the report from the Inspector General. Not a political opponent, an Inspector General for the state department. That disconnect reexacerbates a problem for her. John dickerson in washington. Thank you. Thank you, elaine. The cbs overnight news will be right back. ,,,,,,, two gunmen armed with automatic rifles opened fire on a street in houston today killing one person in his car. One of the suspects was killed in a shootout with police. The second was wounded and taken to the hospital. Two officers and at least three other people were also injured. The motive for the shootings is under investigation. Chicago has seen an alarming spike in gun violence this weekend. By sunday morning, 40 people had been shot resulting in four deaths. Shootings and homicides are up about 50 this year in the nations Third Largest city. Outpacing new york and los angeles. Much of the gun violence is gang related. The cincinnati zoo is open this weekend but gorilla world is closed indefinitely. A 4yearold boy got into the gorilla enclosure saturday and was hurt. An endangered gorilla had to be killed. Jamie yuccas has the the latest. Reporter cell phone videos from people visiting the cincinnati zoo show a 4yearold boy in the gorilla world mote. The boy got through a barrier and fell at least ten feet down into the shallow stream. Thats when a 17yearold endangered western lowland gorilla approaches the boy. At first it looks like he is being protective. Then his behavior turns threatening. No oh, my god the gorilla has the the child. And is drag him around the pen. The boy does not appear to scream or panic. Zoo officials removed two female gorillas but did not approach the gorilla for ten minutes. Eventually zoo president says the 400 pound gorilla became violent. It seemed very much by our professional team, our Dangerous Animal Response Team to be a life threat tenning situation. The choice was made put down or shoot the gorilla. The team chose the not to tranquilize the gorilla the animal wassage tatd it would have taken too long to sedate him. Animal activists have created online petitions and facebook pages like justice for harambe. Many angry the endangered gorilla was put down. Other want the mother to face child endangerment charges. Peta release aid statement saying the gorilla enclosure should have been surrounded by a secondary barrier between the humans and the animals to prevent this type of incident. The zoo says it is reviewing its security around the encloep sure. Elaine the boy was treated for nonlife threatening inand should be okay. Terrifying images. Thank you so much. The final mass was held sunday at Saint FrancisXavier Church in massachusetts. The church is closing after a 12 year roundtheclock vigil by parishioner whose tried to keep their beloved house of worship open. Nc xaviercabrinrc sat near the shores of massachusetts since the 1960s. This is the bread because of declining attendance and shortage ofhorta priests the catholic archdiocese of boston in may 2004 decided to shut down the church and sel the 30 acre waterfront property. We visited Saint Francisn 2013 and met with parishioners on a 24 7 vigil. Earlier this month the u. S. Supreme court refused to hear their final appeal leaving parishioners no choiceuto end their fight. Today, they celebrated their final mass. I am joined nowy parish member mary een rodgers. Mary ellen, you were baptized at the church, you hadour first communion there, married there, family funerals at the church. What are you feeling right now . I am feeling a broken heart, but mo so that our cardinal, Cardinal Sean omall has never reached out and come to the church never stepped foot in the church over the pas 11 1 2 years. What is going to happen to the churcht this point . And its seasi property there . Well, we are on 30 acres of prime coastal real estate. If you loo around the neighborhood, there is multimilli dollar homes being built here. So, i dont know, but i anticipate that this church will be bulldozed and there will be large houses going up here. All right, Mary Ellen Rodger thank you so much for you time. Thank you. Well we have a winner at the 100th indianapolis 500. Checkered flag. You just won the indy 500, baby rooki Alexander Rossi too the trophy. He is just 24 years old. Over 350,000 people packed into the indianapolis motor speedway. The highest capacity stadi in americ after crossing the finish line, rossi drank fro a glass bottl ofmilk. An indy tradition that goes back over 80years. Whenhe cbs weeke news continues, dr. Jon lapook explains the ris in colon cancer in americans under 50. I did everything i could to make her party perfect. Almost everything. You know, 1 i n 10 hous cod get hit by an expensive septic disaster. But for only 7 a month, ridx helps break down waste. Avoid a septic disaster with ridx. sound of music histling introducing new ky touch gel creme. For massage and intimacy. Every touch, gently intensified. A little touch is all it takes. Ky touch. I dont think thats how theyre made. Klondike hooks up with tasty flavors. The best ice cream bars ever conceived. A ne study find colon cancer rates are declining overall, but among americans under 50 years old, a group not normally considered at ri, the rates are increasing. Dr. Jo lapook explainswhy. Reporter three years ago at age 33, dave ey wt to the doctor with a stomach ache, diagnosed with colon cancer. Im still perplexed. Part of a disturbg trend. Over a dece the number of lon cancer cases in peopl under age 5 rose by mor than 11 . The same time, cases in people over 50, dropped 2. 5 . Likely because colonoscopy, removes benign polyps. The rson forhe rise in younger peoe is unclear. Possibilities include, t ep demic of obesity, lk of physicalactivity, and americas high fat diet. All risk factors for colon cancer. Dr. Daniel labo treats colon Cancer Patients at mount sinai hospital. S we learn more, undersnd the genetic defts that go on with early colon canr and udy younger patients perhaps we can hone in on which population of the younger population that we need to screen closer. Reporter he says it is important to be aware of sympto. First, foremost, educate that any time there i a symptom for concancer, bleeding, change in bowel habits unexplained abdominal pain that need to be follow up closely. And not ignored just because the patient is und 50 yea old. Fter 12 round of chemotherapy and three surgeries he has been in remissi for two years. Iont kw wt it was about that particular dul pain that i had that prompd me to go to the doctor. Glad i did. Screening earer than 5 is suggested for those with certain risk factors, Family History of colon cancer or precancero poly. In addition, there are oth less invasive methods, new tests to look for suspicious genetic fragments in the stool. Dr. Jonlapook cbs news, new york. Still ahead o the cbs weekend news, the nearly 400yearold bonsai tree that survived the hiroshima bombing. On friday president obama became the first sitting u. S president toisit hiroshima, japan. 140,000 people were killed there in 1945 when the u. S. Dropped the first atomicbomb. Among the survivors of the bombin a bons tree that bridged the japanes and american cultures for decades. Reporter yaso masaki says bons is in his blood. But yamaki says when the atomic pierced his 14monthold face ss and damag many bonsai trees. His father nursed sever back to life including this 390yearold white pine. Taking care of bonsai. Reporter jack sustak cares for the tree now in washington, d. C. Yamakis father gavet to the u. S. In 1975 f the bicentennial celebration. To have mr. Yamaki give his prized tree after whatt had been through and what the family had been through and the city, as ts symbol of peace and friendship, really has meant a lot to us. Reporter the family wanted the gift to be about peace not war. So they didnt reveal the trees rvival story for quarter of of acentury. Yamaki visited the tree last month part of a japanese delegation tha traveled to the u. S. O ask preside obama to visit hiroshima. Translator because of that, the friendship, becomes getting bigger and bigger. Reporter yamaki say just like the tree, obama trip is an olive branch. Next, on the cbs weekend news, police have a plano take down illegal drones. This week Foreign Correspondent created quite a buzz with his story about illegal drones and the magnificent birds police in holland are using to take them down. Reporter the Dutch NationalPolice Department newest recruits have wings. And an appetite for unusual prey. Hunter the bald eagle the worlds first bird trained to take down drones that cause trouble in the sky. Police chief mark weebs says the rogue devices seen hovering over packed parade and airports. We had a couple of incidence where drones were too near the airplanes. Reporter this lowTech Solution to a hightech problem is the vision of a man who created his program, guard from above last year. During training they have proved to be the best bird of prey to take down drones. Reporter the Dutch NationalPolice Department is the first organization, he is contracting eagles out to. The second that hood is off and hunter spots a drone he is off. And with flight speeds up to 80 miles an hour. No escaping his talons. Ben is the trainer. How do you go about training your eagles to go after drones . How . Yeah. Whats the secret . Yes. Reporter he is talking, but are you . He will only say it is a reward system. Similar to the one used in dog training. It is a tedious program that first begins indoors. This video was taken inside a hangar, each bird trains every day for at least one year. He says the eagles thick claws protect them from the bite of prey and allow them to safely grab any consumer drone. Dutch reservers are looking into propellers some larger drones may have. As drones increasen popularity. Keeping them out of restricted airspace is taking on greater importance. And in 2013, a drone piloted by protesters landed a few feet away from chancellor angela merkel. Just last year, a quad copter drone crash landed on the white house lawn. We expect there to be more drones. People buy them as toys. Some will use them in the wrong place in the wrong way. Reporter Police Departments from around the world expressed interest in the program. These recruits have another month of test flights before they can take off and take down the real thing. Thats the overnight news for this monday. 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 york city. Welcome to the overnight news. It is memorial day a time for the nation to remember those Service Member whose lost their lives in defense of our nation. As is tradition, the day will be marked with barbecues and ball games. Loud parade and quiet visits to cemeteries. Another memorial weekend tradition, the Rolling Thunder motorcycle rally. Thousand