Hurt. The suspected gunman a former student expelled for disciplinary rvenlts tonight investigators describe his social media accounts as quote very disturbing. The school is located in the Fort Lauderdale suburb of parkland, recently named floridas safest city. Laura podesta is there tonight. Reporter the Broward County sheriff says theyve identified 12 of the 17 People Killed in the shooting. The suspect 19yearold Nicholas Cruz remains in Police Custody as officials work to determine his motive. The nightmare in Marjory Douglas Stoneman High School in parkland, florida unfolded just as the school day was ending. Police say the suspected gunman 19yearold Nicholas Cruz arrived on the schools campus wednesday afternoon heavily armed. He had countless magazines, multiple magazines. And at this point we believe he had one ar15 rifle. He appeared to have pulled the fire alarm to create chaos before firing. As soon as fire alarm got pulled and kids were evacuating i heard five pops. Then we hear one of our Student Government teachers say run as fast as you can. Some raced out of the school with arms above their heads. We were just like praying and crying. The suspect is going to be a white male wearing a burgundy shirt. Cruz was arrested nearby without incident. This is tragic. It makes you mad. Jim lewis is an attorney representing the family he says took cruz in after his mother died last november. I thought they were doing a good deal and helped a young man who was going through some difficult times. Authorities plan to examine the gunmans social media activity as they try to figure out his motive. A federal Law Enforcement officer tells cbs news they are working to trace the ar15 back to the first lawful purchaser. Reporting in parkland, florida, laura podesta, kpix5. President trump tweeted my prayers and condolences to the families of the victims of the terrible florida shooting. No child, teacher, or anyone else should ever feel unsafe at an american school. Meanwhile u. S. Gun control could soon be getting weaker. President trumps newly unveiled budget slashes funding for the National Criminal background check system by 16 . It is a bit shocking. This is the 18th School Shooting in the United States so far this year. We are just 45 days into the new year. Joe vasquez continues our Team Coverage and tells us some bay area leaders are loudly speaking up tonight. Joe . Ken this is just heart breaking. But theres little agreement in our National Discourse about what should be done about it. So School Officials here say the most they can do is be ready. [ gunfire ] paying close attention to the florida School Shooting today is police chief of the Oakland School district. As long as the handguns are out there this violence is not going to stop. Or now eachopping the violence school is preparing for the worst. The district conducts active shooter lockdown drills twice annually. The chief says they take special notice of students who act strangely or make unusual posts on social media. The students and the parents and the admin staff and were looking for any possible threats or anything thats happened on the internet. Any time you get one of these shootings theres a connection somehow. Bay area officials are weighing in on social media. Senator harris tweeted another moment of silence wont suffice. Congress must act to address gun violence. Another congressman tweeted we dont have to live like this. Many have commented about how numb weve become to the 18th mass shooting since just the beginning of this year. But there have been some extraordinarily emotional moments. I dont know how were alive. Not just among the teenagers who endured the madness. I have ten nephews and nieces were talking about bump stocks, were talking about legislation. A child of god is dead. Cannot we acknowledge in this country that we cannot accept this. I cant do it, wolf. Im sorry. I cant do it. Hes seen a lot in his life. And hes been roundly applauded tonight on social media for reminding the rest of us how to appropriately react when so many children dont make it home from school. Now to an alleged rape threat delivered to a stanford professor in a letter laced with white powder. The question tonight who sent it. Heres maria medina. Reporter this has the hallmark of a publicity stunt. The court judge did not mince any words. Thats what people do when they are desperate. Shes part of the group called voices against recall. A group who doesnt believe judge aaron persky should lose his job. The recall campaign is not going to be intimidated. We are going to go forward. But stanford professor is determined he should after he sentenced former stanford swimmer brock turner to a half year in jail for sexual assault. He served only three months. Since leading the recall campaign she says shes received Death Threats and now this today. It was in an envelope filled with white powder. As well as a rape threat that read in part quote im going to treat you like emily doe, turners victim. It could be a copy cat. Soon after calling police they held a News Conference about the powder threat and said there. The best thing for everyone would be if judge perskys campaign would stop using such personal attacks. You think this came from somebody on the persky side . No not at all. And the level of attacks theyre engaging in against me is causing these kinds of people who would send these kinds of threats to feel empowered to do it. I believe she cannot point to one thing, one sentence, one word that the opposition to the recall has utilized that can be characterized hateful or violent. She believes todays threat was likely a fake as those who oppose the recall find more support months before his fate is decided. Ultimately its up to voters to decide what happens. Its very curious the timing that this happened right when the tide has turned. The white powder turned out to be harmless. Sources say it was baby powder. Perskys recall election is in june. Maria medina, kpix5. Tonight a School Bus Driver is accused of attacking a special needs student. 64yearold kim clopson physically assaulted a second grader last tuesday after the student did not leave the bus. In a statement the vaccaville Unified School District said quote this is a disturbing case and its unacceptable for any child to have to endire such an experience. Shes under arrest on a felony child abuse charge. Two murder suspects in court today named by the woman theyre accused of stabbing and killing. Her dying declaration will give prosecutors a huge advantage. Heres how it could play out in the courtroom. Reporter family members were overwhelmed in court today. They burst into tears in the hallway after seeing the suspects appear at the east county hall of justice. Both are accused of brutally stabbing her early monday morning leaving her to die in livermore. She was always a fighter. She was always brave. That morning she dragged herself more than 100 yards to find help when they tried to kill her. They got away with it, she wouldnt let them get away with it. She brought peace to herself and me and my family. Its a huge advantage. Criminal defense attorney tony brass says the short time frame means more evidence than usual will be available to the prosecution in this case. Things like their clothing that would have blood and other types of things like that, weapons may still be available. All of those things would be right there and fresh before they could be washed or gotten rid of. The death declaration is rare evidence thats taken extremely seriously in court and that the suspects young age likely wont work in their favor. So i dont know that youth and even a lack of record is would be something that will play a big factor in a crime this gruesome. The two suspects in this case were formally charged with murder today. But neither of them was able to enter a plea. Thats scheduled to happen here tomorrow morning at 9 00 a. M. This bay area dui suspect pleaded guilty to a deadly crash. Shes expected to be out of jail tonight. But then her Facebook Post changed everything. Some bart stations full of filth. Tonight how the Agency Promises to clean up its act. This drone is supposed to follow you wherever you go, tonight we put it to the test. A driver who was supposed to walk free today. Could end up going back to jail instead. Kpix 5s len ramirez explains on socia a driver who was supposed to walk free today could end up going back to jail instead. We explain its because of what she posted on social media. Reporter she was supposed to be serving home detention after pleading guilty to felony vic lash manslaughter and causing the deaths of three people while under the influence of drugs. But the defendant is seen living it up with steak dinners, salon treatments, and christmas in the park on Facebook Postings. It may be why a judge throw out an earlier plea deal and ordered the defendant to stand trial. These victims have gone through a horrible tragedy and to show the message on facebook that you are out having a good time in the community when youre supposed to be doing an alternative to jail i think is a very poor message to send. She plowed into a parked car in san jose. Three people were all killed. Family and friends of the victims showed up in court today expecting the judge to release her with four years credit for time served on electronic monitoring. The judge changed her mind. Judge andrea flint did change her mind after hearing the familys victim impact statements. And we also had stalked this woman on facebook and showed the judge how shes living her life. Not contributing a cent, never saying she was sorry. Attorneys call it busting the plea deal. How unusual is that . Its rare but not unheard of. The judge allowed her to rescind her guilty plea setting up a jury trial. The tsunami effect of what this woman did and the lack of remorse has just torn a community all over the world apart. The first Pretrial Hearing is already scheduled for later this month. If convicted shes facing the possibility of serving years in state prison. In san jose ramirez, kpix5. Tonight bart is making a clean sweep at some of its filthiest stations. Its not just about sanitation, its also about creating a sense of safety. The trains are crowdeded, often delayed and when you step up in downtown San Francisco sometimes its like walking into a toilet and not a safe one at that. I go out maybe once or twice a week but my wife goes here everyday and i honestly worry about her. I just got back from tokyo so compared to that its not at all clean. We see the same things. We smell the same things. Ridership is down about 3 . None of this is news to the bart director. He spent the past few months going out and helping the stations in his district. They actually do work im told although it doesnt look like it. You smell pot . Its legal, sorry, forgot. This station has definitely improved in its cleanliness. But as you know upstairs youve got drug dealing, youve got crime. What people feel is theres a sense of lawlessness around bart. And its effecting our bottom line. What do you do about Something Like this. You want me to call somebody . Youll be okay, all right. One change is the clean up crews are working days as well as nights. The idea is to have more people in the stations that need the most cleaning. Makes sense on the surface and you would think we would have thought of this earlier. We just added 21 new custodians to our budget so now we have 148. Bart is offering the homeless services. But for those who say no there are a number of people who just simply wont accept that. So bart police have the mandate to keep people moving now. Were here in San Francisco one of the busiest stations and as you can see the escalator in this entrance is already broken. So people coming down here dont have the greatest impression. Thats why bart will now be pushing to try to at least make it cleaner and safer because theyre losing riders and that means losing money and as we all know money talks. Phil matier, kpix5. Tonight lyft is giving the city of San Francisco permission to inspect its data. Theyre trying to figure out how many drivers are on the streets and making sure they follow laws. Lyft and San Francisco just reached an agreement. Uber is still fighting the subpoena. Tonight think of it as your personal papa jrazzi. Now it will fly away and turn around and look up. If youve ever flown a drone you know how easy it is to crash it now imagine getting your best shot without ever doing a thing. You essentially need an expert pilot for it to be useful. So you basically hold joysticks and control it and if you know what youre doing you can do incredible things. I would say most people take it out of the box and crash into a tree which is the end of the experience. Ceo and cofounder adam brie grew up flying radio controlled planes. That led him to create the r1 drone. I was a grad student at mit where i met my cofounders. And our lab was one of the first to use cameras and lasers to fly themselves around. The r1 can track your every move using 13 cameras and advanced artificial intelligence. It cans your body, your clothes, and your individual movement. Lets see what it can do. No matter how fast i ran and how many twists and turns i took the r1 had its eyes on me or should i say its 13 cameras on me following my every move. Its the first of its kind to have so many cameras on it flying up to 25 miles per hour. The r1 even uses those cameras to fly over and around other objects and people in its path. So it uses a deep Neural Network thats been trained to recognize people. It basically looks out, ifs all of the people that it sees and it also builds up a unique identifier so the color of your hair, the color of your shirt, hague and these types of things to tell you apart hague and these types of things to tell you height and these types of things to tell you apart. Everybody should have one. Theyre a little creepy. A little . Thats either really cool our Worst Nightmare being sold to us. At least you get a good picture i think. The picture outside right now is clear skies and a chilly night. Santa rosa down to 42 already. 40s even in San Francisco and concord and livermore 30s tonight. That will feel warm compared to next week where napa and santa rosa you may drop to the mid20s as soon as president s day night. Fremont 42 tonight redwood city 41. But were still precipitation free. When we look at santa rosa last year through valentines day, huh year through valentines day there was a 3foot difference in the amount of rain weve received from 47 inches of rain to 13 inches of rainfall. Its crazy from year to year how big the difference has been. Its raining in portions of arizona. Its snowing a bit in northern nevada. A lot of stuff going on around us. Its also range in the pacific northwest. But no precipitation here. Everything seems to be missing either to the north or the east or to the south. That trend will continue. Tomorrow will be the 21st consecutive day without any rainfall. Tomorrow morning mainly clear skies. Tomorrow evening more of the same. Friday more of the same as we get milder. We may hit 70 degrees coming up on saturday afternoon. Next week another big change without any rainfall. The coldest air of the calendar year. Which i know is not saying much is likely next week with highs in the 50s. Below average for the first time this year. Overnight lows down to the 20s and 30s. Tomorrow if you like it mild get out and enjoy. Still in the mid60s after a chilly start. Campbell for you 65. San mateo 62 degrees. Walnut creek and pittsburgh 63. Lower 60s also for richmond and napa. And clear Lake Sunshine with a high of 60 degrees. Getting warmer on friday and saturday. Saturday afternoon 72 inland. Then we cool down sunday. President s day nobody hits 60 and what youre not seeing are the overnight lows which may be the coldest we have had this season. Its amazing how many temperature changes we can go through without any rainfall. Long range forecast brings in a little bit of rain 10 to 12 days out maybe. But not any time soon. No. Well get there. Thanks,paul. After a 10 million renovation. Tonight the grand reopening ceremony for a bay area playground. And one programming note todays episode of bold and the beautiful Million Dollar playground. Kids of all ages were eager to tonight San Franciscos Civic Center Plaza is now home to a 10 million playground. Kids of all ages were eager to check out the 20yearold refurbished park today. It features seven new weather and nature themed structures as well as light installations in front of city hall. The Helen Diller Family Foundation donated the money to the Parks Department last year. The warriors coach sound off on the tragedy warriors coach learned of the tragedy in florida today, he pointed the finger at those in office. 0 steve kerrs father was shot and killed in 1984. And when the warriors coach learned of the tragedy in florida today he pointed the finger at those in office. It doesnt seem to matter to our government that children are being shot to death. But we can do something about it, we can vote people in who actually have the courage to protect peoples lives and focus on the real safety issues not building some stupid walls for billions of dollars that has nothing to do with our safety. Kerrs comments made tonights game in portland seem less relevant. And it was. But if records matter the warriors slipped a notch. Blazers built a 20 point lead in the 1st quarter thanks to 18 from damian lillard. 4th quarter warriors down six. Durant thats a one possession game. But then lillards back court made cj mccullum hit over steph curry. 34 for lillard. 29 for mccullum. Kevin durant dropped 50 and was even scoring with his shoes coming off. Four shy of his career high. Down 2, 26 seconds ago. They lose 123117. They hit their all star break behind the houston rocket who is took over first place in the western conference. Mikaela shiffrin had her sights set for five gold medals. She has one after taking first place in the giant slalom. She will go for another goal tomorrow in the slalom. Daniel kilgore will remain in santa clara four years. And espn is reporting the raiders are cutting their long time kicker who was a first round pick in 2000. He missed all of last season with a back injury. The giants held their first workout in scottsdale today. They have some new players this year. But it looks like they know everything about each other. Andrew mccutchen has Hunter Pences quirky batter box habits imitated to perfection. Imitation is the best form of flattery. That was pretty cute. Exactly. As long as they can get it together offensively and they score a few more runs, theyre in good shape. Price of beer going tomorrow morning at 430. Michelle griego and kenny choi will have all the news you. Good n the late show with stephen the late show with Stephen Colbert is next. G