biker clash. at least nine people are dead after a shoot-out erupts between rival motorcycle gangs at a texas restaurant. this morning authorities fear more violence. the fall of ramadi. a setback in the fight against isis. the terror group rousts the iraqi military and forces thousands to flee their homes as it gains control of the strategically important city. sky hacking claim. a tech expert says he was able to control the flight of a passenger jet by hacking into the plane's entertainment system. >> it's time now for a little something we call stupid pet tricks. and last laughs as david let

irman begins to say good-bye to the "late show," we'll look at some of the bits that put him on the cutting edge of comedy. >> hello, kitty. meoooww. captioning funded by cbs is the "cbs morning news" for monday, may , this is the "cbs morning news" for monday, may 18th, 2015. good morning. good to be with you. i'm anne-marie green. there are fears of more violence in texas this morning following a deadly shoot-out between rival motorcycle gangs. at least nine gang members were killed and 18 others injured. the fight took place in front of a popular waco restaurant. the parking lot looked more like the alamo than a busy shopping center. up to 200 bikers from five rival gangs had gathered to discuss their differences. the police who had been tipped off were there as well. gabriel rojas of wctv reports.

>> reporter: investigators have blocked off a massive space near a restaurant where this all started. you can see we still have a very large police presence not only here but across the area because officers believe more gang members could show up. >> in my more than 35 years of law enforcement experience, this is the most violent and gruesome scene i have difficulty with. >> reporter: sergeant patrick swanson said this department feared something like this could happen. for the last two months officers have responded to the twin peaks restaurant to break up fights. as many as five separate groups converged with close to 200 members in one place. it may have been an argument over a parking spot that started it all. >> it started in the bathroom with most likely a push or a shove or somebody looking at somebody wrong. >> reporter: because police around it is pated the violence, members of the s.w.a.t. team were already monitoring and quickly moved in as soon as they heard the gunshots.

officers are not clooer whether it's bierks or rival members. >> we have been getting routes throughout the day that bikers from out of state are headed this way. we would encourage them not to because we have plenty of space in our county jail to put them there. >> reporter: police say they're amaze nod innocent civilians were hurt in all this. they credit having officers in place. gabriel rojas, cbs news, in waco, texas. one marine is dead after an osprey crashed in oahu. 21 people survived the incident but were taken to the hospital. witnesses say they saw three osprey aircraft performing maneuvers. >> we were watching it all happen. the dust storm continued to where it wasn't visible anymore. we couldn't see the aircraft anymore and when it cleared up, we saw two come up and they continued to circle. there were just two that came up.

>> the program was almost scrapped ater it killed 23 marines in 2000. the bodies of six marines killed in any paul have been identified. they include two captains, two sergeants, to corporals. they were delivering relief aid when their chopper went down last tuesday. two soldiers from nepal's army were also killed. isis militants have taken control of a key iraqi city. ramadi just 70 miles west of baghdad fell to isis fighters yesterday as the defending iraqi forces retreated following days of intense fighting. susan mcginnis is in washington. susan, good morning. >> anne-marie, good morning. this is the biggest defeat for the iraqi government against isis since last summer and it has some here in washington questioning whether the u.s. effort to help defeat isis which is limited to air strikes is enough. isis says this video shows iraqi troops racing out of ramadi.

the apparent retreat follows days of intense fighting between iraqi troops and isis militants. the battles left hundreds of civilians and soldiers dead, and there are reports that isis is carrying out mass executions of iraqi security forces. ramadi fell despite intensified u.s.-led air strikes in recent weeks to save the strategic city. some military analysts believe it's time to consider a new strategy. >> clearly at this stage, the 2000 or more air strikes collision collision collision coalition forces have done in iraq has not reversed the tide of isis, but slowed it and there mr. must be some ground component if isis is to be defeat and the city recaptured. a spokesperson did concede isis now has the advantage. local officials estimate about 8,000 people fled the violence in ramadi in the last few days. this woman says chaos, violence,

and terror are spreading on the streets. iraq's prime minister has ordered troops near ramadi not to abandon their posts while militia are preparing a counterattack. secretary of state john kerry says he's confident the takeover of ramadi will be reversed in weekses. anne-marie? amtrak is back to business six days after the derailment. first train will leave from new york headed to philadelphia, the site of tuesday night's crash that killed eight people. the speed of the system is now operational on the northbound crash tracks where the crash occurred. a service was held yesterday to honor the victims. investigators have been looking into reports that something hit the locomotive windshield. ntsb member robert sumwalt said whatever it was, it was not a bullet. >> i'd like to downplay that part.

i've seen the fracture pattern. it looks like something about the size of grapefruit if you will, and it did not even penetrate the entire windshield. >> the engineer has told investigators he doesn't remember anything in the few moments before the crash. police in washington, d.c., want help to solve a murder mystery. it started with a house fire but investigators found the remains of four people, the owners, son, and housekeeper were beaten before the fire. police have released surveillance video showing a man called a person of interest. they believe he may have taken a family car and later set it on fire. coming up on the "morning news," plane hacker. the man who claims he was able to fly an airliner from his seat on the plane. and later, visitors at the 9/11 memorial are sickened by a mysterious odor. this is the "cbs morning news." mysterious odor. this is the "cbs morning news." people with type 2 diabetes come

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in texas, people had to be rescued from the air after heavy rain and flash flooding. residents and stranded drivers were taken to safety by texas choppers. rain-soaked texas roads could not cope with the torrential downpour. in oklahoma, the severe weather caused significant damage sunday, destroying homes and uprooting trees. trailers were sent flying and other structures were destroyed. and power lines were knocked down, leaving residents in the dark. no injuries were reported. new york city's 9/11 museum will be opened today after it was evacuated on sunday. visitors standing near the reflecting pool began to choke and cough and show other signs of breathing difficulty. an excess of chemicals used to kill algae in the pool triggered a strong odor. the memorial plaza was evacuated for about two hours.

no charges have been filed against a hacker who claims he took remote control of passenger jet and steered it off course. he told the fbi he hacked into many other flights. julianna goldman reports. >> reporter: computer expert chris roberts tweeted on sunday that his only interest is to improve aircraft security. according to a search warrant roberts told fbi agents he exposed dangerous flaws. earlier he told them he identified vulnerability with in-flight entertainment systems and on one flight he successfully commanded the systm to cause one of the airplanes to climb and move sideways. roberts told the fbi from 2011 to 2014 he compromised the system 15 to 20 times by hacking into entertainment system ss on in-flights under passenger

seats. in march he told fox news he'd been talking with the federal aviation administration. >> you basically have to understand how computer systems work, avionic systems and be able to work and translate between the system. >> reporter: the fbi has. said that roberts has successfully hacked into the controls but warned him unauthorized access is a violation of the federal statute and that he could be prosecuted. in april roberts was on a united flight from denver to toronto and tweeted what airline officials said could have been tampering with the passenger oxygen masks. united contacted the fbi. agents inspected the plane when it landed in chicago and found that the boxes under and in front of roberts'seat showed signs of tampering. >> it does open up a debate that we need to keep ourselves clearly ahead of anyone who might try to do something like this. >> united says their internal review says it makes them confident his claimants are unfounded. he told the fbi he did not

compromise the airlines flight from denver to colorado. julianna goldman, cbs news, washington. well, straight ahead, block of buster. you'll know what that means. the sequel to "pitch perfect" scares off "avengers" and the trails of adequate mad max." and later david letterman's funniest moments. funniest moments. stop in for lunch and tap, swipe, and go. chili's. fresh is happening now.

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on the "cbs moneywatch," a chinese tech giant accused in a counterfeiting lawsuit, and "pitch perfect 2" hits the right notes to win the box office. jill wagner is at the new york stock exchange with that and more. good morning, jill. >> good morning, anne-marie. the chinese e-commerce giant alibaba says it will fight a group of counterfeits. gucci acknowledges that alibaba knowingly it is the second time they've been sued over counterfeits in less than a year. wall street hopes to continue the upward trend. the dow gained 81 points for the week. the s&p finished 6 points higher for the week and the nasdaq gained 44 points.

expect some crowded flight this summer. a record number of travelers are expected to fly somewhere. u.s. airlines will carry 220 million passengers between june 1st and august 31st. that's the most since 2007. on average there will be 2.4 million passengers day. that is 4.5% more than last year. the ladies of "pitch perfect 2" was the latest hit at the box office. ♪ >> the see quiet to the 2012 hit raked in more than $72 million in ticket sales its debut weekend. universal says f 2% of the audience was under the age of 25. "mad max:fury road" came in second followed by "avengers fan fall of ultron." and a legendary store fao

schwartz will close its flagship store. the company is trying to find a less expensive face here in manhattan. anne-marie? >> jill, we've got to get down there and dance on the giant piano while we still have a chance. >> absolutely. >> jill wagner at the new york stock exchange. thanks a lot. when we return, a funny farewell. the comic moments that only david letterman could pull off as he gets ready for his final late show this week. ♪ "smash me. dear god, smash me into a million pieces" little miss puffytail thinks every time someone enters this room. for while the people who come in here can use quilted northern, a toilet paper that works so well they can completely forget their experience... ...little miss puffytail can never forget. she can dream. dream for the sweet, sweet swing of a careless elbow. quilted northern. designed to be forgotten.

i take prilosec otc each morning for my frequent heartburn. because it gives me... zero heartburn! prilosec otc. the number 1 doctor-recommended frequent heartburn medicine for 9 straight years. one pill each morning. 24 hours. zero heartburn. the surveillance video they hope will lead to an arrest... plus-- 9 people are dead and 18 others injured after gun fire erupted during a biker vrawl.. and-- the stage is set for the western confernce finals.. a preview this morning on the matchup with the top two teams in the west. join us for kpix 5 news this morning... beginning at 4:30. good morning. it's monday may

here's a look at today's forecast in some cities around the country. in sports the houston rockets returned to the nba western conference finals for the first time in nearly two decades.

the rockets erase a 3-1 series deficit and beat the los angeles clippers in game seven. james harden scores 31 points for houston. the final score, 113-100. the rockets face golden state in the conference finals. atlanta braves' pitcher shelby miller was one away with a no-hitter. miami's justin boerse singles. to break up the no-hit bid. miller would fin tish game and get the braves a 6-0 win. don draper's odyssey through the golden age of advertising is over. after seven seasons, 92 episodes, and an untold number of cocktails, "mad men" reached its conclusion. and we will tell you what happened to the characters in the award-winning drama but the

episode ended with a nod to the real life advertisement television world i'd like to buy the world a coke, during that time dave has been on the cutting edge of comedy. during that time david lettermen has been on the cutting edge of comedy. suzanne marques has a look at some of his greatest bits. >> hello, kitty, meoooow. >> reporter: dave's humor has always been a little offbeat, a little anbsurdabsurd. >> what do you have there? >> pizza. >> can you take the pepperoni off the pizza and leave it on the sidewalk. >> reporter: and destructive. dave stuck with a particular kind of comedy. >> there was a sense of irreference irreverence and sort of anything can happen. >> reporter: two of letterman's significant segments were stupid pet tricks and stupid human tricks. >> there time for something called stupid pet tricks.

>> reporter: and don't forget his legendary top ten list. >> number ten, our electric sexual chemistry. >> yeah. >> letterman didn't reinvent late night, but letterman did it in a way that i think people hadn't seen before and people certainly hadn't seen done that way. >> i've got zsa zsa gabor with me. zsa zsa would like a fillet-o-fish sandwich. what kind of wine do you have? >> reporter: dave would always go the extra mile for a laugh. now, dave says he isn't into viral videos like other late-night show hosts but one look at these bits and he's really a pioneer. any one of them could have gone viral. reporting in new york, i'm suzanne marquez, cbs news. three days to go before dave heads off into retirement. tonight his guest is oscar winner tom hanks and tomorrow it's where it all began. letterman's first ever guest bill murray makes one last visit to the ed sullivan theater.

"cbs sunday morning's" jane pauley has the only interview with dave. it is online at cbsnews.com. this is the "cbs morning news." on cbsnews.com. this is the "cbs morning news." ♪ ♪ no matter how they tossed the dice. ♪ ♪ it had to be. ♪ ♪ the only one for me is you. ♪ ♪ and you for me. ♪ ♪ so happy together! ♪ now there's a rewards program that lets you earn points at one place and use them at another. introducing plenti. ♪ ♪ ♪ when it comes to rewards there's plenti together. ♪ ♪ ♪ what do you think of when you think of the united states postal service? exactly. that's what pushes us to deliver smarter simpler faster sleeker earlier fresher harder farther quicker and yeah

even on sundays. what's next? we'll show you.

the smithsonian is completing a monumental project. the $500 million national museum of african-american history and culture. the building has been a long struggle, scott pelley got a preview from lonnie bunch, the museum's founding director. >> we're on the ground floor. this is where the visitors will come in. this will be their first experience in the museum. so what's going to be here? >> they'll walk in either from the mall or constitutional avenue and they'll run into amazing pieces of african-american art. >> when all of this is finally complete, what will america have? >> america will have a place

that allows them to remember to remember how much we as a country have been improved changed, challenged and made better by the african-american experience. they'll have a place that they can call home, but they'll also have a place that will make them change. >> reporter: but even this place is only space until you fill it. >> oh, my goodness. now, did somebody already look at some of these things? >> no. >> no? >> reporter: seven years ago the smithsonian began rummages the attics and basements of america. >> this may have marked a milestone in his life and what we don't know is what that was. >> but at least it gives me something that i can investigate. >> 3,000 people brought their family history to 16 smithsonian events across the country. >> and this is an early free black family based out of baltimore? >> yes, yes. >> it sounds like "antiques road show." >> it is like "antiques road show." >> we have experts across the field, experts in conservation,

experts who understand about paper, about metals about you name it fabrics, textiles, and they come in and review objects for the public. >> some of that looks like it's dried out a little bit. >> don't put it near the air conditioning unit because that will dry it up too much. >> how do you convince someone to give up a priceless family heirloom? >> do you know what? our museum pitches itself. all we have to do is tell the absolute honest truth. people have been waiting for us. people in america have been waiting for this moment. and so literally they just hand us things. >> well, you can get a look at some of the artifacts that will be on display at the museum by going online. scott pelley's full report is on cbsnews.com. well coming up after your local news on "cbs this morning," republican senator lindsey graham stops by studio

57 to discuss his plans for 2016. and we talk with former secretary of defense robert gates on the fight against isis. finally this morning, words of wisdom and advice for georgetown's graduating class from charlie rose. the "cbs this morning" co-host told the class of 2015 to start the next chapter of their story to take action, make choices, and lose themselves in the greater good. that's the "cbs morning news" for this monday. i'm anne-marie green. have a great day. -- captions by vitac -- www.vitac.com -- captions by vitac -- ww com

18. i'm michelle griego. . rise and shine, bay area! a nice view of the golden gate bridge.

a couple cars there on a monday. everyone coming into work and saying good-bye to the weekend and hello to the workweek. >> that is right. doesn't it feel great? >> it feels fabulous! >> i hope you had a good weekend. we will get you out of the gate with traffic alert. brooke, how are we doing? good morning good. it is an interesting day today. our temperatures will once again come in below average for this time of year. temperatures are in the 40s and 50s right now and we will top it off right around 70 degrees. more on that coming up. and in alamo a car struck a deer earlier this morning. northbound at 680. they are trying to clear it out of the left lanes. much more in 2 monday morning commute coming up. >> elizabeth, thank you. and breaking news in the east bay. a search is happening right