. >> ninan: carter evans, thank you, carter. two police officers were shot and killed today in brookhaven, mississippi. officers james white was 35 years old. corporal zack moak, 31. police say both wereri bulletproof vests when they were ambushed at a house where gunshots had been reported. they were the 41st and 42nd law enforcement officers to be fatally shot this year in the line of duty. an indonesian official warned today the death toll from friday's devastating earthquake and tsunami could be in the thousands. magnitude 7.5 earthquake sent giant waves slamming on to beaches. homes, cars, trees, and people were swept away. rebecca hench-key of bbc news has the more. >> reporter: this mobile phone footage captures the terrifying moment the three-meter-high waves hit, flooding houses close to the shore, and then rushing into the densely populated coastal city of pally. the waves and the powerful quake

reena. >> ninan: carter evans. thanks, carter. tropical storm florence prompted state of emergency declarations today taid in virginia and the carolinas. the approaching storm could soon become a major hurricane again. chief meterologist craig setzer is tracking florence at our cbs station in miami, wfor. hi, craig. what's the latest? >> hi, reena. the latest is florence getting better organized this evening and moving slowly to the left, will likely be a hurricane later tonight. winds as of 5:00, up to 70 miles per hour, moving slowly to the west. the future track with the models laid on top of it-- remember, this is where the center of the storm would be, not the whole storm itself-- still a wide amount of uncertainty. the southern-most reliable model could potentially bring it towards the georgia coast, south carolina, north carolina, under the gun. and some of our models have shifted to the north and the right. what's causing al the uncertainty is what's going on in the steering winds of the atmosphere, strong blocking hyper.

carter evans has more on one young man's audacious plan. e, reporter: it may look like a giant pipe line, but this 2,000- foot-long contraption will soon be cleaning up what's known as "the great pacific garbage patch," made up of an estimated 1.8 trillion pieces of floating plastic. why not just take a big ship out there and scoop all this stuff th? >> this area is twice the size of texas. if you were to skim that with yeats and nets, it would take around 79,000 years. >> reporter: 24-year-old dutch inventor boyan slat says his technology can do it much faster. la came up with the idea when he was just 16. >> i was scuba diving in greece. i saw more plastic bags than fish, and i thought, "why can't we just clean this up?" >> reporter: slat took us out on the water to show us how his ocean clean-up system was inspired by trash-covered beaches. >> coastlines are very effective ways of catching plastic. but the thing is in those vast ocean garbage patches, there is simply no coastline to catch any plastic. >> reporter: so you built one. >> we

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carter evans introduces us to wally. >> oh!t lesson of the day for students at marina village middle school happens well before class. >> give me a smile. >> reporter: every morning, 94- year-old wally richardson greets parents with a wave... >> good morning! yay! >> reporter: ...and their kids with what he calls "wally-isms." >> okay, be kind whenever possible. >> it's always possible. >> reporter: you give these kids a fist bump every day? >> yeah, i call it a ka-nuckle. some of them do it like this. poo! >> reporter: after the ka- nuckles, the 80-year age difference seems to disappear. pp judging others does not define who they are. >> it defines who you are. >> a ship in the harbor is safe, at that's not what ships were t ilt for, right? in reporter: what's the point of getting them to participate? >> oh, i want them to retain something that they can take on in life later on. >> reporter: but his own life laperiences make him an expert on what kids won't find in a textbook. he joined the navy in world war ii, was a fighter

carter evans introduces us to wally. >> oh. >> reporter: the first lesson of the day for students atina village middle school happens well before class. every morning, 94-year-old wally richardson greets parents with a wave. >> good morning, yea! >> reporter: and their kids with what he calls wallyisms. >> be kind whenever possible. >> it's always possible. >> reporter: you give these kids a fist pump every day? >> i call it a canuck l. >> reporter: allison rosati the canuck ls, the 80 year age difference seems to disappear. >> judging others does not define who they are. >> it defines who you are. >> the ship in the harbor is shaf, but that's not what ships are built for, right? >> reporter: what's the point of getting them to participate? >> i want them to retain something that they can take on in life later on. >> reporter: but his own life experiences make him an expert on what kids won't find in a textbook. he joined the navy in world war ii, was a fighter pilot in the korean war, then flew for united airlines. but this is wally's work now. >> he's like one of the nicest individ

carter evans has that story. >> reporter: when the ocean clean up project set sale from the coast ofisco on saturday, boyan slat was there to see the maiden voyage. the dutch entrepreneur came up with it when he was 16 years old. >> i saw more plastic bags than fish and i thought why can't we just clean this up? >> reporter: years of research and development resulted in this, a 2000 foot-long waste .t much of the 1.8 trillion pieces of plastic floating in an area known as the great pacific garbage patch. why not just take a big ship out there and scoop all this stuff up? >> this area is twice the size of texas. if you were to skim that with boats and nets, it would take around 79,000 years. >> reporter: ahead of the launch, slat took us out on the water to show us how the device was inspired by trash-covered beaches. >> coast lines are very effective ways of catching plastic, but the thing is that in those vast ocean garbage bags there is no coast line to catch any plastics. >> reporter: so you built one is this >> we built our own art firgt collection. >> reporter: it forms a u-shap

carter evans went to a lab where scientists are trying to understand a growing threat: fire tornadoes. >> reporter: it's something most people had never seen before this summer: a massive fire tornado, a thousands feet wide, withwind speeds up to 165 miles per hour. >> oh my god. >> reporter: the towerrering fun until of flames and smoke devastated an area just outside reading, california. >> there were vehicles that were rolled and moved. there were large power-line towers that were torn off of the base and actually blown through the air. >> reporter: mechanic call engineer jason forthhoffer specializes in fire tornadoes. veen athing like that? >> no i have not >> it's already starting the rotation? >> yeah. >> reporter: at the forest service fire lab in montana, forthhoffer helped design some of the newest experiments to study the phenomenon. what are you learning about them? >> we know enough to understand some of the ingredients that cause fire whirls, but we're not too close to predict actually when and when this will occur on the ground. >> reporter: fire tornadoes can form when

as carter evans reports, they're adding new tools to understand a growing threat. fire tornadoes.ana, they're fighting fires by lighting fires. >> we're understanding all the processes that go into understanding how a fire spreads. >> okay, let's check it out. >> reporter: research forester mark finney and his team have spent decades building a series of demonstrations that replicate real fire conditions out in the wild. >> tin cameras and they're mounted from every different angle. we also take measurements off of those cameras. >> reporter: you know how fire spreads? >> well, we're getting there. our intention is to understand the physical processes that lead to different kinds of fire behaviors. in order to do that, we have to design experiments that can scale all the way up to the field scale. >> reporter: in the last few years, most firefighters have told us that scale is growing larger than anything they've seen before. and this past july, the world watched something most of us have never witnessed, a fire tornado. this massive funnel of smoke and flames outside redding, cal

carter evans has the latest on the case. >> reporter: investigator says this is the face of a serial rapist who terrorized women for more than 15 years. >> the suspect in this case was a real-life bogeyman who crept into his victims' homes under the cover of darkness. >> reporter: police say 58-year-old roy waller, blindfolded, tied up, and raped at least 10 women in northern california. the attacks began in 1991. >> he will not stop. >> reporter: this woman spoke out after she was raped at gunpoint in her sacramento home in 2006. >> this man is extremely careful and very smart. which is what is so terrifying to all of us. >> reporter: but investigators say waller made some mistakes during her attack. police released this sketch after one of his vps caught a glimpse of her attacker's face through her blindfold, and his car was recorded by a neighbor's security camera. after an earlier crime, the norcal rapist's masked face was captured by an a.t.m. camera, but more importantly, his d.n.a. was found at several crime scenes. >> i have often said in my career that d.n.a. is the silent w

. >>> coming up on "cbs this morning," carter evans takes us inside a fire lab as scientists try to betterd destructive wildfires. >>> and actor shemar moore joins us in studio 57 to tell us about the hit cbs show s.w.a.t. that's this "cbs morning news" for this morning. thanks for watching. i'm anne-marie green. have a great day. "cbs morning news" for this morning. thanks for watching. i'm anne-marie green. have a great day. and i'm michelle griego. time is 4-- here's emily turner with a check of weather. good morning. we made it. it's friday. >> it's going to be a beautiful friday and weekend. it's going to be warm. i will tell you how warm it will be in a moment. let's look at what your current temperatures are. look at these temperatures. the air pretty warm. 63 in san jose. 50 in santa rosa. those will dip down before they climb. they will climb. >>> we are tracking some overnight road work along a 80 if you are heading out that way. you may see some cones in the lanes. this is in that southbound direction. all those lanes should be wrapping up. the road closure should be wrapping up

carter evans, cbs news, los angeles. >>> a different kind of fire has a city leader upset and demanding action tonight. broke out at a scrap metal facility west of 880. the elko iron and metal company has been the site of multiple fires over the last few years. maria medina spoke to the councilman. >> concerning, it's definitely concerning. >> reporter: a fire so thick and large it caused a warning to residents to stay indoors. >> i'm concerned for the residents of san leanne droe. >> reporter: and this council member to demand action. >> i'm concerned about the employees at elko metals when we have two shelter in places within a year, there's time for us to have to take some actions to do something to keep the community safe. >> reporter: thomas spoke out after a massive fire broket w tn a series of incidents the fire department responded to at the metal facility, including one incident involving a propane tank that flew on to a car. according to cal osha records they've been cited for safety violations and fined tens of thousands of dollars. >> there's been a death there, small fires

that can happen north of san diego, carter evans reports it is just the latest in a string of attacks. >> reporter: we had a shark attack. steps on the beach waiting frantically and 13-year-old me leading you sleep from a shark bite, a lifeguard arrives and the car -- call for help goes out. >> need to out of some for a shark attack. >> screaming. >> reporter: he was in the water and help rescued the boy. >> when the kayak, i could really see what happened, his whole clavicles ripped open, you could see the ball and socket joint, everything. >> reporter: happen just north of san diego, about 150 miles offshore. the boy was written by diving -- while diving for lobsters. >> there were not sure exactly what type of shark it was. it was in the 11 foot range. >> reporter: witnesses say there was a lot of blood in the water in the shark remained nearby as they rush to the boy to the beach. >> eyelets back, and the shark was behind the kayak, he did not want to give up yet. >> reporter: the boy was airlifted to a hospital in critical condition, and the surrounding beaches now closed. >> we

. >>> carter evans, alameda, california. >> i have met him before briefly and i think it is such a brilliants more people to tackle the ideas. >> it's unbelieve to imagine to me that that much is floating out there in the ocean. >> you can hear more of "cbc" th -- cbs this morning on our podcast. you're watching "cbs this morning." >>> that does it for us. be sure to tune into the "cbs hurt after a muni crash this morning in san francisco.. >>> this is a kpix 5 morning update . >>> a good morning. it is 8:55. i am michelle griego. >>> four people are hurt after a muni crash this morning in san francisco. the bus crashed into a building just after 6:00 on lombard street and scott. it is unclear what caused the accident. >>> a portion of interstate 5 will remain closed until further notice and tells the delta fire continues to spread. it is 45 miles from redding to mount shasta. >>> a chase came to an end that gill were high school when a suspect drove a stolen suv over a practice field. the suspect tried to ram an officer, who then opened fire. >>> we will have news updates throughout the day

. >> reporter: carter evans,lamed >>> great idea. >>> coming up, starbucks has coffee shops all overhe world, but it's never done business in one european nation until now. does the espresso giant have a shot at success in an originator of coffee culture? later we'll take a look. but first here's a look at the weather for your weekend. put to a very practical use. up next on morning rounds. dr. david agus with how computers are teaching themselves a new skill so they can help women survive a deadly disease. you're watching "cbs this morning: saturday." hi, dr. agus. your brain changes as you get older. but prevagen helps your brain with an ingredient originally discovered... in jellyfish. in clinical trials, prevagen has been shown to improve short-term memory. prevagen. healthier brain. better life. uhp. i didn't believe it. again. ♪ ooh, baby, do you know what that's worth? ♪ i want to believe it. [ claps hands ] ♪ ooh i'm not hearing the confidence. okay, hold the name your price tool. power of options based on your budget! and! ♪ we'll make heaven a place on earth ♪ yeah! oh, my