cbs's elise preston is in los angeles for us, tracking it all. elise, good evening. >> reporter: good evening to you, jericka. the relentless storms are now to blame for at least seven deaths across the state. tonight while the clouds move in new fears as california sits in the path of a series of cyclones. today fierce winds and toppled trees in sacramento knocking out power to thousands. snow piled up in the sierra nevada. in san francisco people are gearing up for more rain as a new storm system moves across california. >> we're hoping that it goes away quick and doesn't rain again for another couple weeks. >> reporter: the extreme weather raising rivers and pushing levees to their breaking point. officials predict dozens of those waterways will reach flood stage in the next hours. it's hoped berms and sandbags will help hold back the water and allow time to get livestock out of harm's way. tens of thousands have already lost power. another threat? heavy snow, which could lead to crashes like this one thursday near lake tahoe, when a semi jackk

cbs's elise preston's interview with the nichols family as they call for change. i will never see my son again, i'll never see that smile again. >> garrett: memphis and the country reacts. nation wade braces for protests nichols family pleas for peace. also the attack on paul pelosi, how the suspect entered the house and the moment the police showed up. >> drop the hammer. >> garrett: reaction tonight from the former speaker of the house. gripping testimony in the murder trial of alex murdaugh, new at details about the night his wife and son were killed. the deadly shooting outside an israeli synagogue on this holocaust remembrance day. massive pileup as the threat of winter weather blankets the country. and the story we all need tonight, "on the road," with the enduring love not even alzheimer's could break. >> garrett: good evening to our viewers in the west. thank you for joining us. i'm major garrett in for norah. disturbing and horrifying video of the memphis police beating of tyre nichols was just made public. the city waited till this evening to release fou

elise preston has more. >> all i can hear my son say is what did i do? where is the humanity in all this? you beat him like a dog in the street. >> reporter: 29-year-old tyre nicholls' mother could only watch part of the beating between the police and her son. >> it was an unadulterated, unabashed nonstop beating of this young boy for three minutes. >> oh, my god. >> not only was it violent, it was savage. >> oh, my god. >> reporter: nichols was pulled over january 7th. he died from his injuries three days later. >> we know he was tased, we know he was pepper sprayed, and we know he was restrained. >> reporter: last friday five of the officers involved were fired. all had been on the force between five years and 2 1/2 years. in a statement memphis police said we have determined that five mpd officers violated multiple department policies including excessive use of force, duty to interview, and duty to render aid. his mom describes her son as loving beautiful sun sets and skateboarding he was on a break when he was pulled over by police. >> i feel helples

we have more now from elise preston. >>> cancel takeoff plans -- >> reporter: in audio obtained by cbs news, you hear the panic from an air traffic controller ordering friday's delta 1943 flight to stop. the pilot aborts takeoff and abruptly slows down the plane, avoiding a runway collision with american airlines flight 106. >> ooh. >> reporter: delta's boeing 737 carrying 145 passengers and six crew members was headed to the dominican republic from new york. the 137 passengers and 14 crew members on board american's boeing 777 were flying to the uk. cbs news transportation safety analyst robert sumwalt -- >> what we know so far is that the american airlines 777 was apparently instructed to taxi to runway four left. it appears that that airplane did not make the right turn but instead continued across an active runway. >> reporter: minutes after friday's near collision, audio captured the american airlines pilot checking in with air traffic control. >> we are cleared to cross, is that correct? >> american 106 heavy we're departing runway four left. we'll listen to the tapes. but you we

cbs's elise preston will start us off tonight from mem fisz. elise. >> reporter: good evening, norah. we are just learning those three former fire officials could face criminal charges. fallout over the brutal beating of 29-year-old tyre nichols sparked nationwide outrage and protests. cbs news has learned two more police officers including preston hemphill have been relieved of duty pending an internal investigation. hemphill was captured on police body cam pulling nichols from the car at the first traffic stop and tasing him. after nichols runs away, hemphill could be heard saying this. >> i hope they stomp his ass. >> reporter: hemphill was not present when officers from the scorpion unit took nichols down a second time. they were seen kicking, punching, and striking him with a baton while he was restrained. nichols died in the hospital three days later. >> everyone needs to see what the memphis police department did to my son. >> get on the ground! >> reporter: during the assault, officers gave nichols a series of conflicting demands. he was

cbs's elise preston is in memphis. she's going to start us off. good evening, elise.day. >> reporter: good evening to you. definitely, norah. the shelby county district attorney says his team has worked quickly to expedite the case that hurt this entire community. >> i'm sickened by what i saw. >> reporter: tonight five former memphis police officers are facing charges, including second-degree murder, aggravated assault, and aggravated kidnapping for the death of tyre nichols. the 29-year-old died three days after he was pulled over on january 7th, allegedly for reckless driving. >> while each of the five individuals played a different role in the incident in question, the actions of all of them resulted in the death of tyre nichols, and they are all responsible. >> reporter: attorneys for two of the indicted officers spoke after charges were filed. >> no one is guilty until a jury says they're guilty. and so that's -- that's a process, and that's going to take a long time. >> reporter: the city of memphis is bracing for possible backlash when videos of the confrontat

cbs' elise preston will start us off from memphis tonight. vening, elise. >> reporter: good evening norah. we are just learning the three former fire officials could face criminal charges. the fallout over the brutal beating of 29-year-old tyre nichols sparked nationwide outrage and protests. cbs news has learned two more police officers, including preston hemphill, have been relieved of duty pending an internal investigation. hemphill was captured on police body cam pulling nichols from the car at the first traffic stop... >> freeze! >> reporter: ...and tasing him. after nichols runs away, hemphill could be heard saying this-- >> i hope they stomp his ass. >> reporter: hemphill was not present when officers from the scorpion unit took nichols down a second time. they were seen kicking, punching, and striking him with a baton while he was restrained. nichols died in the hospital three days later. >> everyone needs to see what the memphis police department did to my son. >> get on the ground! >> reporter: during the assault, officers gave nicho

cbs's elise preston has more. >> all i heard my son say was, what did i do?here's the humanity in all of this? you just beat him like a dog in the street. >> reporter: 29-year-old tyre nichols' mother could only watch part of the deadly confrontation between memphis police and her son. today was the first time the family and their lawyer saw it. >> it was an unadulterated, unabashed, nonstop beating of this young boy for three minutes. >> oh, my god. >> not only was it violent, it was savage. >> oh, my god. >> reporter: nichols was pulled over january 7th. he died from his injuries three days later. >> we know he was tased. we know he was pepper-sprayed, and we know he was restrained. >> reporter: last friday, five of the officers involved were fired. all had been on the force between 5 years and 2 1/2 years. in a statement, memphis police said, we have determined that five mpd officers violated multiple department policies, including excessive use of force, duty to intervene, and duty to render aid. wells described her son as a beautiful soul who loves skate

cbs' elise preston is in mem memphis. >> we're on foot pursuit southbound on ross. >> reporter: we're hearing for the first time foot race pursuit video the night they arrested tyre nichols. >> he is fighting at this time. >> reporter: when officers say two confrontations took place following a traffic stop. u.s. attorney kevin ritz says his office is working to determine what exactly happened the night of january 7th. nichols, seen here, bloodied and bruised, died just days later. >> our federal investigation may take some time. these things often do. but we will be diligent and we will make decisions based on the facts and the law. >> reporter: at a city council meeting tuesday, residents demanded to see police footage of the arrest, the five officers in the encounter, who are all black, have been fired for department violations. >> it could have been your son, ms. logan. it could have been you, edmund -- >> ms. moses. >> i can speak -- >> reporter: memphis city council chair martavius jones says the community is on edge. two weeks later, where is the city now? >> i see us having ou

cbs's elise preston reports. >> reporter: tonight, demands for answers in the in-police custody death of 29-year-old tyre nichols are growing louders. >> this man should be with his family. >> reporter: nichols died january 10 lthd, three days after his family believes he was beaten by police during a traffic stop. memphis police are releasing few details, but they say that on the night of january 7th, officers attempted to pull the car over, which led to two confrontations. the second after the driver tried to flee. once under arrest, police said the suspect complained of shortness of breath and was taken to the hospital by used. this photo provided by nichols' stepfather shows tyre in his hospital bed, badly bruised. nichols' family is demanding police body cam footage be released immediately. >> we want justice. we want the officers to be charged with murder. we don't want them to just get fired. >> reporter: and they've hired civil rights attorney benjamin crump to represent them. >> the family still don't have the answers. nobody should die from a simple traffic stop. >> reporter

norah. >> o'donnell: elise preston, thank you so much for your reporting there. well, at the center of the deadly beating is a task force known as the scorpion unit. well, now, the memphis police department has disbanded the anti-crime group, and our cbs news investigation, cbs's catherine herridge takes a closer look at these specialized units used across the country. >> reporter: footage released friday night of 29-year-old tyre nichols violent beating in memphis reignited the national conversation on policing in america. >> say his name! tyre nichols. >> reporter: as well as the specialized unit blamed for nichols death known as the scorpion unit.chor woud ribe as their anti-violent crime unit is that former l.a. and nypd commissioner bill bratton. >> usuaoblem that a community is having at a particular time. >> reporter: the memphis scorpion unit yous created in 2021 in response to the record high homicide rate. bratton says there are reasons it ran into trouble. for the units to be effective and lawful what measures need to be in place? >> the nature of thes

cbs's elise preston has more. >> all i heard my son say was "what did i do?"s the humanity in all of this? this? yo you just beat him like a dog in. >> reporter: 29-year-old tyre nichols' mother could only watch part of the deadly confrontation between memphis police and her son. today was the first time the family and their lawyers saw it. >> it was an unadulterated, unabashed, nonstop beating of this young boy for three minutes. >> oh my god! >> not only was it violent, it was savage. >> oh my god! >> reporter: nichols was pulled over january 7. he died of his injuries three days later. >> we know he was tased, we know he was pepper sprayed, and we know he was restrained. >> reporter: last friday, five of the officers involved were fired-- all had been on the force between five years and two and a half years. in a statement, memphis police said, "we have determined that five police officers violated multiple department policies, including excessive use of force, duty to intervene, and duty to render aid." wells described her son as a beautiful soul who loved

cbs's elise preston is there tonight. >> reporter: a gospel choir soulfully belted "amazing grace" as hundreds gathered at graceland with the family and friends of lisa marie presley to celebrate her life. the family told mourners presley did not want her funeral to be sad. but those who knew her well couldn't hold back tears. >> my dad sang at elvis' funeral as well, so this is kind of full circle. >> reporter: angela lewis from memphis lined up for today's memorial at 2:00 a.m. she said she always felt a connection to presley. >> they made us feel like we were their family. >> reporter: the 54-year-old died after being hospitalized following a cardiac arrest january 12th. her family believes her heart couldn't survive losing her only son to suicide in 2020. >> some would say that a broken heart was the doing of her death. >> reporter: her final resting place, the home where she grew up and inherited from her father. after the service mourners pay their respects in graceland's meditation garden where leasy marie, her father, and son are all laid to rest. lisa marie dedicated her life

cbs' elise preston has more. >> cancel take off plans. >> reporter: in audio obtained by cbs news you hear the panic from an air-traffic controller ordering friday's delta 1943 flight to stop. the pilot aborts take off and abruptly slows down the plane, avoiding a runway collision with american airlines flight 106. delta's boeing 737 carrying 145 passengers and six crew members was headed to the dominican republic from new york. 137 passengers and 14 crew members onboard american's boeing 777 were flying to the u.k. cbs transportation safety analyst robert sumwalt. >> what we know so far is the american airlines 777 was apparently instructed to taxi to runway 4 left. it appears that that airplane did not make the right turn but instead continued across an active runway. >> reporter: minutes after friday's near collision audio captured the american airlines pilot checking in with air-traffic control. >> we're departing runway 4 left, but you were supposed to depart runway 4 left and currently holding short of 31 left. >> reporter: now american airlines declined to comment about friday'

elise preston, cbs news, los angeles. >> o'donnell: overseas now to the war in ukraine, where some ofest fighting is taking place around the eastern city of bakhmut. it comes after the kremlin declared its first battlefield victory in months. spearheading the offensive is a private mercenary group run by a russian oligarch. cbs' debora patta reports tonight from kyiv. >> reporter: it's one of the bes sce the war began. russia claims it's taken control of soledar. ukraine disputes this. its forces have been holding out against a ferocious russian onslaught, led by wagner mercenaries. the fight for the small salt- mining town in eastern ukraine has assumed an outsized significance. but, a win in soledar would give vladimir putin his first victory after months of humiliating losses. this man was instrumental: yevgeny prigozhin, the leader of the russian mercenary group wagner, filmed here in a russian prison recruiting convicts to fight on the front line in soledar and bakhmut. in this video, prigozhin congratulates the first batch of returning fighters. "you finished your contract with

norah. >> o'donnell: elise preston, thank you very much.publican leaders are under growing pressure to explain what they knew about disgraced congressman george santos's lies on his resume, and when they knew it. the new york congressman has admitted to lying about his background, and even his faith while running for office. house speaker kevin mccarthy said today he's long been suspicious of santos. >> i >> o'donnell: mccarthy did not elaborate on why he didn't confront santos about those questions. santos is now under multiple criminal and ethics investigations, and faces growing calls to resign. we want to turn now to that investigation into that horrific plane crash over the weekend in nepal. all 72 people on board are presumed dead. the plane's flight data recorders were retrieved today, and there's now video that appears to show the final moments from inside the plane-- which may be hard to watch. here's cbs' elizabeth palmer. >> reporter: a video apparently filmed on board the yeti airlines flight by an indian tourist seconds before

cbs' elise preston is in memphis. his.er: we are hearing for the first time dispatch audio from the night memphis police arrested 29-year-old tyre nichols... >> reporter: ...when officers say two confrontations took place following a traffic stop. u.s. attorney kevin ritz says his office is working to determine what exactly happened the night of january 7th. nichols, seen here bloodied and bruised, died just days later. >> our federal investigation may take some time. these things often do. but we will be diligent, and we will make decisions based on the facts and the law. >> reporter: at a city council meeting tuesday, residents demanded to see police footage of the arrest. the five officers in the encounter, who are all black, have been fired for department violations. >> it could have been your son, ms. logan! it could have been you! >> ms. moses-- >> no, i can speak-- >> reporter: memphis city council chair martavius jones says the community is on edge. two weeks later, where is the city now? >> i see us having our han

we get more now from cbs' elise preston. >> reporter: flowers rest on the gates of graceland. lisa marie presley's childhood home. >> it's surreal. it was just like something is missing. >> reporter: she was at the family's iconic family mansion last week to celebrate what would have been her father's 88th birthday. a graceland statement thanked fans for their love and prayers saying the family is "shocked and devastated. the. the only child of elvis pressley lost her dad to a heart attack when she was just buttheir relad th public. >> he was very protective, very adoring, very watchful. and, you know, i knew that-- i knew that i was loved. >> reporter: as an adult, she showed her love recording duets with her late father. ♪ ♪ ♪ lisa marie's high-profile relationships include pop legend michael jackson, and actor nicholas cage. she was seen just two days before her death at the golden globes, now an outpouring from hollywood clebts, including oprah winfrey and tom hanks. lisa marie recently said she lived with unrelenting grief after the mother of four lost her only son to sui

cbs' elise preston is in memphis she's going to start us off. and good evening, elise, and what a day. >> reporter: good evening to you, definitely, norah. the shelby county district attorney says his team has worked quickly to expedite the case that hurt this entire community. >> i am sickened by what i saw. . >> reporter: tonight, five former memphis police officers are facing charges, including second degree murder, aggravated assault, and aggravated kidnapping, for the death of tyre nichols. the 29-year-old died three days after he was pulled over on january 7, allegedly for reckless driving. >> while each of the five individuals played a different role in the incident in question, the actions of all of them resulted in the death of tyre nichols, and they are all responsible. >> reporter: attorneys for two of the indicted officers spoke after charges were filed. >> no one is guilty until a jury says they're guilty. and that's a process. it's going to take a long time. >> reporter: the city of memphis is bracing for possible backlash when vide

cbs' elise preston in los angeles has the details. elise, good evening. >> reporter: good evening to you, adriana. it is dry here right now, but california is under a state of emergency bracing for another powerful storm that could trigger more record rain and devastating floods. >> reporter: waterlogged roadways in southern california, collapsed piers in the north and damaged homes and businesses statewide as the west coast grapples with back-to-back storms. >> pretty much a raging river coarsing through the campus. >> reporter: while another atmospheric river moves in, communities are scrambling to sandbag, repair levees and prepare for even more power outages while still cleaning up from the last round of extreme weather. >> when you look around at the wreckage, the rebuilding looks like an arduous process. >> reporter: the storms this week have claimed at least six lives including a toddler who died when a redwood tree fell on the family home. >> that's an absolute nightmare that it could happen to any family to lose a child. >> re

. >> i'm elise preston at graceland with a look at tributes and farewells to rock and roll royalty. >er, this 9-year-old has a bug for science. her efforts to catch an invasive insect captured national attention. >> how does it make you feel to know that these bugs are going to be in this museum? >> happy and proud. >> announcer: this is the "cbs overnight news." >>> and good evening. thanks for joining us. a lunar new year celebration in california erupted into chaos overnight. the festive atmosphere shattered by yet another mass shooting in this country. this time police say ten people were killed and ten more injured at a ballroom dance studio in monterey park. it's about seven miles from los angeles. the gunman fled the scene, leading to a massive manhunt and s.w.a.t. team members eventually surrounding this white van. investigators released a photo of the suspect but have yet to release a motive for his attack. cbs's danya bacchus has been following the developments all day. danya, what more do we know at this hour? >> reporter: good evening, jericka. right now there are two acti

cbs's elise preston's interview with the nichols family as they call for change. i will never see my son again, i'll never see that smile again. >> garrett: memphis and the country reacts. nation wade braces for protests nichols family pleas for peace. also the attack on paul pelosi, how the suspect entered the house and the moment the police showed up. >> drop the hr.

elise preston, thank you. >>> well, there's heartbreak in georgia tonight.versity of georgia football player devin willock and recruiting staff member chandler lecroy were killed in a crash just hours after their national championship parade. the 20-year-old offensive lineman played in all 15 games in georgia's winning season. today the georgia bulldogs tweeted "we are heartbroken over the passing of devin and chandler." >>> well, today the buffalo bills won their wild card game against the miami dolphins, and damar hamlin, you know that name, he cheered on his team from home. the bills safety tweeted "my heart is with my guys as they compete today. supporting from home as i focus on my recovery." hamlin's remarkable recovery comes less than two weeks after he collapsed on the field in cincinnati. he was released from a buffalo hospital on wednesday. >>> and "avengers" star jeremy renner gave fans another update on his road to recovery. renner wished fans a special night in his instagram stories as he was wheeled to a hospital room. the 51-year-old was serio

cbs's elise preston is in memphis tonight and leads us off.ood evening. >> reporter: good evening to you, adriana. there are still a few protesters here. the weather has largely stopped people from coming out. we have to warn you. some of this footage is disturbing. >> i didn't do anything! >> reporter: pain and protests over video showing memphis police officers beating tyre nichols. the police chief told cbs's jeff pegues she questioned the reason officers gave for pulling him over in the first place. alleged reckless driving. >> it's puzzling for me that i don't have information that i need to at least understand what started this. >> reporter: today jay hard way is demanding more transparency from the police chief about the s.c.o.r.p.i.a.n. unit the officers were a part of. >> who decided that we needed a s.c.o.r.p.i.a.n. unit with that kind of leeway? with just a wild, wild west attitude. >> reporter: the police chief says the s.c.o.r.p.i.a.n. unit had three teams of about a few dozen street officers who targeted violent offenders in high

cbs reporter elise preston is in memphis with the latest. >> reporter: criminal charges including second-degree murder announced against five former memphis police officers involved in a traffic stop that led to the death of tyree nichols. >> the actions of all of them resulted in the death of tyre nichols. >> officers were fired last week after an internal police department probe and surrendered to authorities thursday. >> let me be clear, what happened here does not at all reflect proper policing. this was wrong. this was criminal. >> reporter: authorities plan to make public body camera video of the encounter with the 29-year-old on january 7th. his family saw the video earlier this week and >> all i heard my son say was, "what did i do?" where is the humanity in all of this. >> reporter: the issued a statement late wednesday urging protesters to remain peaceful and it says that the and investigation is ongoing. >> it's not just a professional failure. it's a failure of basic humanity towards another individual. this incident was heinous, reckless, and inhumane. >> reporter: he was a father,

cbs's elise preston is near montecito tonight, where evacuation orders have been lifted. >> reporter:t the hillsides are so saturated, this is the result. one of several rockslides and mudslides along with flooding that forced many here in santa barbara to stay in shelters. the hills above santa barbara recorded 12 to 15 inches of rain, prompting evacuations and rescues overnight. it will take some time to clean up messes like this one. >> reporter: some forecasters are predicting as much as 22 trillion gallons of water will fall on drought-stricken california when these storms are finally over. that's more than enough water to fill two major reservoirs -- >> can't we just save a fraction of that? >> that is the hope, but it's a lot more complicated unfortunately. >> reporter: most of the water isn't captured. it's lost to runoff that goes into the ocean. >> the challenge there is getting the water from outfalls like this one or rivers and into the groundwater, and we just don't quite have the infrastructure for that. >> reporter: and with all the sewage, bacteria, and debris in the s

>>o'donnell: elise preston with that new reporting, thank you very much.t we have new developments in the trials related to the january 6th attack on the capital. 62-year-oldrichard barnett, convicted of all charges and faces a multiyear prison sentence. in a separate trial four members of the far right antigovernment militia, the oath keepers were convicted of the most serious charge ever said ition expirs. >>> new details straight ahead. r chronic kidney disease. ype 2 diabetes means i'm also a target. we are targets too. millions have chronic kidney disease and 90% don't know they have it. so ask for your kidney numbers and farxiga. ♪ far-xi-ga ♪ if you have chronic kidney disease, farxiga reduces the risk of kidney failure, which can lead to dialysis. farxiga can cause serious side effects including dehydration, urinary tract or genital yeast infections in women and men, and low blood sugar. ketoacidosis is a serious side effect that may lead to death. a rare, life-threatening bacterial infection in the skin of the perineum could occur. stop taking far

elise preston, cbs news, los angeles. >> o'donnell: well, tonight, six republican members of the houserepresentatives are calling on disgraced new york congressman george santos to resign, while others are also casting doubt on his ability to serve. santos has admitted to lying about much of his background while running for office, and he faces new campaign finance questions. on steve bannon's podcast today, santos was asked by far-right congressman matt gaetz where he got $700,000 to loan his campaign, despite reporting only $55,000 in income in 2020. >> look, i have worked my entire life. i've lived an honest life. i have never been accused of any bad doing. so, you know, it's my-- it's the equity of my hard-working self, and i invested inside of me. >> o'donnell: well, santos has lied repeatedly about his employment, and says he'll only resign if the people who voted for him say he should. let's turn now to the economy, where inflation appears to be moving in the right direction. the consumer price index fell to 6.5% in december. that is down from 7.1% in november. well, prices at t

cbs' elise preston has new details from los angeles. >> reporter: just days ago, on the red carpet, lisaarie presley praised austin butler for his golden globe-winning portrayal of her father, elvis pressley, in the film "elvis." >> it was mind blowing. >> reporter: a representative tells cbs news, tonight the 54-year-old singer/songwriter has been admitted to a southern california hospital after suffering cardiac arrest in calabasas. pressley is heir of rock 'n' rol super star elvis pressley. # she's faced a life of tragedy, losing her father due to a heart attack at just the age of nine, and in 2020, the of four ss a skt is afternoon, mother priscilla presley asked for prayers for >>nellishter and their family,fm tonight, six repat is congressman george santos to resign, while otherring are also casting doubt on his ability to ser santos has lied about much of his background while running for office and faces new finance questions. santos was asked by congressman matt gaetz where he got $700,000 to loan his campaign despite reporting only $55,000 in income. >> i have worked an honest l

cbs's elise preston is near montecito tonight where evacuation orders have been lifted. >> reporter:eavy rains have eased for now, but the hillsides are so saturated, this is the result. one of several rock slides and mud slides, along with flooding, that forced many here in santa barbara to stay in shelters. the hills above santa barbara recorded 12 to 15 inches of rain, prompting evacuations and rescues overnight. it will take some time to clean up messes like this one. >> reporter: some forecasters are predicting as much as 22 trillion gallons of water will fall on drought-stricken california when these storms are finally over. that's more than enough water to fill two major reservoirs, lake powell and lake mead. can't we just save a fraction of that? >> that is the hope. but it's a lot more complicated, unfortunately. >> reporter: most of the water isn't captured-- it's lost to runoff that goes into the ocean. >> the challenge there is getting the water from outfalls like this one, or rivers, and into the groundwater, and we just don't quite have the infrastructure for that. >> r

elise preston reports. >> reporter: today's robots can help ship packages, serve food at restaurant,l mow the yard and clear snow. the yardbo is an autonomous roboha uses artificial intelligence to navigate a yard and avoid obstacles. >> you tell it what the boundaries are of your yard, but it mostly uses its own censosen. >> reporter: it can also assist farmers. john deere already has self-driving tractors. now sensors on a robotic attachment can differentiate between weeds and crops to deploy we'd killer sparingly. and make sure fertilizers is only used on the plants that need it. >> they're able they say to reduce fertilizer use by 60% in the best case on a large farm. >> reporter: from the farm to the hospital. >> it's very nice to meet you. >> reporter: the ao robot is designed to assist medical workers. it can respond to voice commands, carry up to eight pounds, and uses an infrared camera to move through facilities on its own. >> it can go and check on residents. it can do deliveries overnight and just work all night in the dark. >> reporter: ao can also take pictures. >> hey,