Before the shooting but did not act on. Abc News Reporter maggie ruehl has the new developments. Authorities are revealing new details on what happened leading up to last months school shooting, including the tip a month before the shooting. A female warns the alleged shooter was going to explode. Saying he would threaten to kill people on social media. She told the Parkland Police department and the fbi in case, quote, he starts shooting places up. The fbi failed to follow up on the tip. Also released, a 911 call from someone who appears to be the alleged shooter, about three months before the shooting happened. The thing is, i lost my mother a couple days ago. So, like, im dealing with a bunch of things right now. Reporter the Broward County sheriffs offers said they were called to his home 23 times. Two of the calls were reltdre ro concerns that this person could shoot up a school. Students are standing behind stoneman douglas. And many met with top officials, including florida governor, rick scott. My message to them is very simple. Youre not alone. Reporter today, scott announced a new action plan that puts 500 million toward a School Safety program. The students and their families will be back on campus for an orientation on sunday, to start, what the superintendent says, is a week of transition for the students. Getting them back together to find some level of normalcy. The Parkland School shooting is reigniting the debate over whether teachers should carry guns. The nra and President Trump have endorsed that idea. But the Union Representing teachers in San Francisco is against it. And experts say carrying a weapon requires training and judgment. Critics say, first, you have to have teachers who want to carry guns. Many potent. Many parents are uncomfortable with the idea. And then, theres the matter of acquiring and maintaining the proper skill. It will be neither fast nor cheap. At least eight states allow teachers to carry guns on campus. But the Teachers Union in San Francisco says no way. As a teacher and the president of the Teachers Union, i can tell you thats a crazy idea. Its all teachers can do to teach, keep addreorder and look for the wellbeing of students, than to keep a gun and keep it a safe distance from students. Arm us with books. Arm us with smaller class size. Reporter then, theres the training. Cadets in Police Academies undergo three weeks of training with handguns, shot guns and rifles. And thats not all. Using the weapon is one aspect of the training. The bigger aspect is the decisionmaking on when to use it and how to operate in a highly stressed situation. Reporter nobody is saying that teachers need the same training as cops. But anyone who carries a gun regularly, needs to develop and maintain a level of skill. He is in charge of weapons training for the Richmond Police department. When a new officer joins the force, they must undergo 40 hours of firearms training. They go to the range to hone their marksmanship and gun handling skills. Reporter hes not taking a position on who should be armed. But the richmond p. D. Is making a key change following the florida shooting, since the gunman tripped the fire alarm to get people to leave the classroom and move to the kill zone. When a fire alarm is tripped in richmond schools, Police Officers will accompany the firefighters. If you want to take action because of what happened in florida, we have resources for you. We put together a complete list of californias 53 representatives and 2 senators and their Contact Information on our website. You will find it on abc7news. Com. More companies are breaking ties with the National Rifle association in response to customer feedback. Mountain viewbased symantec is no longer offering discounts to nra members. Hertz rentacar would stop providing a discount. Lets know how you feel. Should companies boycott the nra . You can vote on our live poll on nbc abc7news. C abc7news. Com vote. Should companies boycott the nra. Go to the website and click a thumbs up or thumbs down to give your input. An oakland city official says arson may be to blame for a fire this afternoon at an abandoned nearly centuryold library. Flames consumed the building at east 15th street and miller avenue. The property has been vacant since the 1970s. But squatters have taken over the historic building. Oakland city councilman lives two blocks away. There was a big fight. A physical fight that occurred on the ground. So, the building and one group pushed the other out. And they believe the other group that got pushed out set the place on fire. The building has been red tagged and is considered a total loss. A protest took place at stanford tonight, linked to the brock turner case. The former stafford swimmer made headlines for sexually assaulting an unconscious woman in 2015. He was sentenced to six months in jail. We look at what todays protests hoped to accomplish. You took away my worth, my privacy, my energy, my time, my safety. Reporter student protesters at stanford gathered at the spot where the woman known as emily doe was assaulted back in 2015. And read passages from her letter to the court. There were plans to install a plaque here. But the university refused to use the quotes that doe requested. Stanford decided to take away her voice and rewrite the story in a way it saw as convenient. Reporter the university chose different quotes from the letter, including one that said, im okay. Everything is okay. Okay, everything is okay, its completely out of context. This is about a rape, not, you know, a b on a test. Reporter after brock turner and emily doe left that frat house, this spot became a crime scene. Since then, the university has transformed it into a contemplative space. But protesters say this does not reflect the truth of what happened here. It has not been revealed what words doe wanted. In a lengthy statement, a University Spokesman said ms. Does representatives had prepared two quotes that the university could not accept. They were inconsistent with a contemplative space where members of our community could peacefully reflect and seek solace. Prosecutors filed new charges against the Riverside County couple accused of beating and torturing their children. They will face three additional child abuse charges. They both already faced 75 counts for torturing, abusing and imprisoning their children for decades. If convicted, the two could face 94 years in prison each. Police detains a 49ers player that prompted the closure of a los angeles prep school. Heres the post that appeared on Jonathan Martins instagram account. It shows a shotgun and ammunition with a quote saying, when youre a bully victim and a coward, your options are suicide or revenge. The post says harvardwestlake, where he went to high school. Ed a martin received National Attention for a bullying scandal in 2013, when he played for the miami dolphins. His post today references four people, including Richie Incognito and mike pouncey, dolphins players who harassed martin. He spoke about bullying to Piedmont Middle School in 2016. Youre 65, 325 pounds at the time. Thats a big person. How can the words hurt . But more me, i was more sensitive to that. Martin retired from the nfl after playing for the niners in 2014. He suffers from depressive disorder and anxiety. Stay here with us. Watch your laptops. The bay area laptop theft problem getting so bad, residents are taking matters into their own hands. After 60 earthquakes this week, yes, 60, if you act before midnight, you could get serious money from the state to retrofit your property. Chill in the morning and storms in the sevenday forecast. Ill give you a closer look, coming up. And everyone is allowed to be homesick, even a tiger. Why this new at 11 00, Berkeley Police arrested a laptop faith. As we show you, some fastmoving customers made the difference. Reporter Berkeley Police showed this video to show just how quickly thieves are snatching laptops. People know that and take advantage of it. Weve become a target. Reporter more than 25 laptop thefts in 2 months has people taking matters into their own hands. U. C. Berkeley studen Alex Ferguson witnessed a citizens arrest friday afternoon. They scan the area before. And they grab the laptop in this area and sprint it out. Reporter hot on their heels, coffee house customers chase the thieves down college avenue. I think one had an athlete backpack on. The people held the teenager until mrilspolice arrived and arrested him. Reporter witnesses say the thief ran out of the shop to a vehicle and handed the laptop off. The laptop was not recovered. I witnessed, like, more than five or six times, by myself. Reporter the problem is so pervasive, police are now going undercover in the coffee shops. The tactic led to the arrest of six people this past weekend. And police say their undercover work will continue. In berkeley, abc 7 news. More earthquakes shook danville today. The largest, a 3. 6 that happened at 12 20 this afternoon. The usgs has reported 60 quakes that have more than a magnitude one in the area this week. Abc 7 news was in danville where contractors were helping to retrofit homes by bracing them and bolting them to the foundation. Homeowners have until midnight tonight to register for the brace and bolt program online. Then, a lottery system will select 4,000 people to get 3,000 for a retrofit project. You know the old saying. Home is where the heart is. And for a sumatran tiger, that home apparently needs to be here in San Francisco. Gillian was born at the San Francisco zoo. She is celebrating her first birthday. She lived there until she was moved to the sacramento zoo. Over the last year, she was not able to adjust to her new home. As a result, she was moved back to San Francisco. Sumatran tigers are critically endangered. Fewer than 500 are known to exist in the wild. Nice to have you back. On to the weekend weather forecast. Its been chilly and weird all week. Hail and some precipitation. Itswinter. We should be getting hail and snow and showers. Right now, i want to show you a senate from our east bay hills camera. The sun went down at 5 57 and it was just stunning. Clear skies across the bay area when the sun was setting tonight. This is an indication of what you will see more of in the next couple days, which is the sun. But it will mix in with clouds, like were seeing right now on live doppler 7. Already 27 degrees in fair field. At freezing in livermore, 32 degrees. You know its a cold night when Half Moon Bay is at 34 degrees. It hit 30 this morning. Tomorrow morning, doing it all over again. Subfreezing temperatures as you notice. Santa rosa, napa, fair field, livermore, lake port, ukiah areas. Icy cold patches of frost first thing in the morning. You need the coats, the scarves and the xwlov gloves to get you started on saturday. Well look at dry and milder days this upcoming weekend. And a cold storm is coming in on monday. It will bring us rain and snow and possibly more. Heres a look from our camera. A live look and you can see city hall, downtown San Francisco. It is just a beautiful view tonight. Visibility is not a problem. Tomorrow afternoon, were going to mix things up. A mix of sun and clouds. Your temperatures will range from the low 50s to the low 60s for your saturday. Any plans you have, the weather looks good. And it looks perfect for the Chinese New Year parade. On many of the parades, weve seen rain. Not this year. 3 00 in the afternoon, before the festivities get under way. 54 degrees, partlycloudy. Breezy and cool at 6 00 p. M. And its turning chilly by 9 00. Plan on a jacket if youre going to the Chinese New Year parade and taking part in the festivities. If you have other plans for the weekend, biking, sailing, hiking, weather looks fantastic. Were going to turn things around and make it a wet forecast and a possibility wintry one. Level 1 system on our storm impact scale coming in monday. Rainfall totals, up to 0. 25 inches. Lets time it out, sunday night, north bay is going to start to see the signs of rain and snow. By 3 00 a. M. , its slipping into the north bay monday morning. 5 00 a. M. , its a wet commute. And the higher terrain will see some snowshowers as indicated there. Scattered showers for your morning and evening. This is going to be another cold storm. Not a lot of moisture with it. Just enough to bring us some rain and to bring the sierras some snow. Well see a foot of snow by 11 00 p. M. Monday night. Cold morning, breezy afternoon, a little milder for your sunday. Level 1 system. Monday, bringing us a wintry mix and gusty winds. A short break tuesday before another system comes in wednesday. Level 1 for thursday, friday. That one looks like a soaker. Download the accuweather app. Sky 7 was over the chase Center Construction site this morning, where you can see significant progress being made to the future home of the golden state warriors. Piece by piece. It is going quickly. Construction started in the Mission Bay Neighborhood a little over a year ago. If construction stays on schedule, the warriors plan to open the 20192020 season at the chase center. You can already see the floor there, couldnt you . Its starting to take shape. No question. That shiny spot was my luxury suite. Oh. I spotted it right from here. Pretty expansivexpansive. Well see. Does the panda have anything left for the giants . Pablo sandoval, showing some pop in the spring opener. And how much, dan, would it take you to get in the ring with this bull . Abc 7 sports brought to you by river rock casino. Baseball is back. The giants showing they do have some offense in 2018. The giants and brewers, only 60 degrees in scottsdale. Tworun double, the giants put up four in the second. Take a 40 lead. Question, does Pablo Sandoval have anything left . Maybe so. As jon miller would say, adios. But six errors by the backups were late costly. The giants lose, 65. Angels and aces in mesa. Speaking of the moon, thats where matt olsen will hit them. Look at the guy in the as uni. He took it from a little kid. As down 87. Two men on for anthony garcia, who is trying to make the club. A tworun walkoff single. That ought to help. And the athletics come back to win it 98. Sharks lost 71 in nashville. Sparky, hes chomping down, hoping for better results. Sharks, 10. Turn it over in their own zone. Costly. Nick schmaltz. Schmaltz, on his 22nd birthday, 20. How does this get through . It does. He beats jon francois. He made 32 saves. Brent burns late. He cant stop this. Anisimov scores and its 31, blackhawks, the final. Theres a huge scandal in college basketball. Head coach, shawn miller, recorded on fbi wiretaps, talking about a 100,000 payment for a star player. A bigname coach is implicatmpl. Would you stand i front of an angry bull for 500 . Didnt think so. Some people will. Just watch. A contest called hula ball in hilo, hawaii. He got hit by the bulls tail. Hes out. This woman, well, shes out, too. The hard way. I can fly. Sort of. We can laugh because all she suffered was a sprained ankle. They picked her up. And shes okay. Yeah. Shes like, where am i . Shes raising her hand like you didnt win the 500. It was the other guy. Concussion protocol. You need concussion protocol to step in there. Abc 7 sports, brought to you by river rock casino. You need your head examined. What is your price, dan