Disoriented, not sure where he is. Pretty severe cramps in his legs from sitting in the drivers seat in that cold water. He was unable to stand on his own. Tonight, the rescue that got him home to his family. And metros gm tries to calm riders worried about a longterm shutdown. We begin tonight with our weather and a forecast that has a little bit of everything. Good evening. Im doreen grentsler. And im chris lawrence. Heres a look at the storms pounding parts of the south tonight. They are moving our way. Amelia segals been tracking them all in storm center 4 and sounds like its going to be hitandmiss for us. You got it, chris. Well have rain throughout the day tomorrow, potentially even a few thunderstorms, but as doreen said, a little bit of everything. Well have sunshine as well, temperatures near 80 degrees. The only thing not in the forecast tomorrow, some snow, so good news there, but this is going to be our main rain. You can see the yellows and oranges and reds, so some heavier rain moving our way, and any thunderstorms that do develop tomorrow have the potential to contain some high winds, about a moderate risk of that, producing some isolated wind damage and heavy rain, so have the umbrella handy and have the large umbrella handy, because the small umbrella might get turned insideout because of the winds. Heres the morning hours. 5 00 a. M. , only some isolated showers. Otherwise, plenty of clouds. As we move into the midmorning hours, some areas of rain. Notice the brighter colors on future weather. Thats heavier weather impacting the area around 9 00, 10 00 a. M. Then by lunchtime, some limited sunshine that will allow temperatures to soar. Ill have what you can expect during the afternoon hours and a big cooldown in store for the weekend, chris. Thank you, amelia. Now tlitest developments in that deadly shooting at a greyhound station in richmond. Virginia state police say the trooper was an exmarine and Longtime Police officer. He was also a husband with two chdr trooper chad dermyer was shot and killed during a Training Exercise at the bus station. He was not wearing a vest at the time. Now the latest from richmond. Reporter chris and doreen, we have learned that trooper dermyer was on a specialized Training Mission designed to intercept drugs at bus stations across the commonwealth. As we zoom in, you can see this is still very much an active crime scene with Virginia State police as well as Richmond Police officers combing through the area and processing the crime scene that spans across this bus station. And weve learned that the trooper simply introduced himself to the suspect, and thats when the man opened fire. [ sirens ] it was chaos in the midst of an active shooter situation. A full Police Escort for this ambulance with a trooper fighting to survive. Trooper chad dermyer is seen here with the superintendent of state police handing him his vsp diploma, the same man colonel steven trooper unddermyers death. Its with an extremely heavy heart that i announce the loss of trooper dermyer. Reporter he is here at the greyhound plus station with a police Team Training on how to intercept drugs. Bus terminals, often critical transfer points for narcotics. Trooper dermyer introduces himself to the suspect inside. As part of training to identify suspicious people. The male subject pulled out a handgun and shot chad multiple times. Reporter all hell broke loose with gunfire in the packed terminal. Two women hit and the suspect not done. The male subject continued firing his weapon as two other state Police Troopers returned fire. Reporter fbi agents were called in to help process the scene. Law enforcement officials tell us terrorism is not suspected but that the man, whose identity is being withheld for now, was deeply disturbed. The shooter continued to be comba o he was transported to Vcu Medical Center where he later died. Reporter two deaths, one of a mad man, the other a retired marine and father. The gateway to the city for thousands each day shut down with families and a state police force tonight shattered. And we also have been able to confirm late tonight through our Law Enforcement sources that the suspect is not from the richmond area, but what remains to be seen is what he was doing in this bus station in the first place. Chris and doreen, well send it back to you. Mike, thank you. New charges against the man shot by police at the capitol here after pulling a bb gun that looked real. Larry dawson faces charges of assaulting a federal officer and federal employees with a dangerous weapon. Charging documents say he set off a metal detector at the Capitol Visitors Center twice, then as an officer started to wand him to find the metal, dawson pulled out the bb gunan pointed it at the officer. When he refused to put it down, another officer shot dawson twice. Dawson is still in the hospital tonight. He could spend more than 50 years in prison if convicted. This time around last night, a family in Silver Springs was in a panic. Their husband and father went missing after a doctors appointment. Well, turns out he got disoriented and kept driving miles and miles right into a river. Police used his cell phone to track him all the way to aberdeen, and tonight hes home safe. News4s shomari stone looks into his rescue. Im just so grateful hes home. Reporter dara wong is pleased to stand next to her father. She nearly lost him after he plunged into a Maryland County river last night. Basically, the whole day yesterday was him trying to find his way back home, but my dad doesnt have access to a gps. Reporter he got lost. It started when wong drove from their Silver Spring home wednesday afternoon to run errans. After not hearing from him hours later and he didnt answer his phone. Its hard because you dont know where youre going. So, yeah, he just kept driving and driving. Reporter they filed a missing persons report last night and Montgomery CountyPolice OfficerJason Huggins helped find him. This is a prime example of when the team effort comes together. This was not the effort of just one person or one agency. Reporter shane eventually called home when he slammed into water. Police tracked his cell phone to bush river north of baltimore. Officer huggins and deputies found him suffering from hypothermia in his car. I just happened to be blessed enough to be the person there at the end with deputy tatum and walsh and had the equipment to go in and safely effect the exoccasion. I want to thank all of them for saving my dads life. Reporter as you can see, mr. Wong is happy to be home, but he received bad news. He found out that he will not be able to drive. His family took his keys. But the good news is he will get a chauffeur. They say they anywhere he needs to go. In Silver Spring, shomari stone, news4. Great ending. Thanks. Metro Transit Police are looking for a stabber at the metro station. Daniel brown was handing out express newspapers this morning when he started arguing with another man. He tackled a man, stabbed him and ran away. Brown is wanted on attempted murder charges. Tonight metros general manager is sending a message to riders after the huge response to reports that entire metro lines could have to close for maintenance for months at a time. Gm Paul Wiedefeld is not ruling that out but says hes working on a longterm plan. News4s Jackie Bensen is at the smithsonian station with new reaction. Hi, jackie. Reporter hello, doreen. Well, everyone we talked to had heard about this, and everyone had something to say about it. I dont have a car. I take metro every day, so it would definitely be something that will be, you know, a problem for me. I will have to take uber, extra money. Reporter even the possibility longterm shutdowns of entire lines of the metro system for maintenance has generated so much concern that general manager Paul Wiedefeld has now issued a letter to riders. It reads in part, i want to reassure you that, while i am keeping options open on how to proceed, no decisions have been made. It goes on to say, moreover, any Service Change in the plan that could affect your commute will receive ample notice to customers, businesses, stakeholders and the region as a whole. I understand that theyve got to do what theyve got to do, but what are you going to do with the people . Youre going to lose millions of dollars. Reporter riders we spoke to said they could better accept what could be an inconvenience at levels unseen since the metrorail system opened, if it leads to better service. There used to be this old line for, i think it was an auto repair place, pay me now or pay me later, and you know, the due bills are coming for metro. The new gm needs to do hes doing in order to connect metro, because the delays we go through in the wintertime is ridiculous. Reporter in his comments, metros gm says theres about a four to sixweek timeline on making a decision. Live in southwest, Jackie Bensen, news4. All right. George Mason University could soon honor a Supreme Court justice by naming its law school after the late antonin scalia. School Officials Say an anonymous donor gave gmu 20 million and asked for the honor. Then conservative billionaire jonathan kotchs foundation kicked in more millions. They have received a reputation as a conservative powerhouse. The board has to approve the name change and theres already an online petition opposing it. Top Democratic Candidates in marylands senate race shared a stage tonight in prince georges county, and so did the men and women running for one candidates congressional seat. Anthony brown, glenn ivey, jose lean Melnick Christopher all spoke at a forum in glendale. They want to succeed congresswoman Donna Edwards in marylands 4th district. Edwards is running against congressman Chris Van Hollen to replace democratic senator barbara mikulski. They spent tonight talking about the middle class. I know what it means to raise a child on your own and juggle the rent and the electric bill and race home to pick up the kid from daycare to avoid the late fees. And we cannot rest until every child truly has the opportunity to succeed, no matter where they live, so that we build an economy that works for everybody, not just the folks at the very top. Marylands primary is set for april 26th. Theres new video tonight of tornadoes ripping through alabama and mississippi. Coming up, a look at the damage in the south before this system moves our way. Plus, a school bus mystery solved in Loudoun County. What the cia says about leaving a benign explosive device on George Washington the only local team left standing. Their last dance brings home a championship. Ill have that to thrive in an everchanging environment, but one thing should remain constant a financial relationship with someone that understands and cares about your business. Pnc corporate and Institutional Banking offers strategies tailored to your companys needs. Know that our dedicated teams of local experts offer insight to help you achieve your business objectives. See how working with pnc can help your company grow at pnc. Com ideas dozens of World Leaders are in the Nations Capital for the Nuclear Security summit, but president obama made a point to meet separately with several of them today. The president thanked french president Francois Hollande for frances partnership on terrorism. president obama met with chinee president xi jinping, also pledged to Work Together on preventing nuclear terrorism. The summit and all those tieups downtown will continue tomorrow. Well, tonight we know it was the cia that left a container of explosive material on a Loudoun County school bus. Now, that same bus carried 26 students to Briar Woods High School on monday and tuesday before someone doing maintenance found the substance. Cia agents have been using the bus during spring break, conducting a Training Exercise with the Loudoun County sheriffs department. They were using dogs to sniff out bombs and left behind a piece of training material. But school Officials Say it was harmless. Hes came out and took the substance. They gave us a detailed on the substance, what it does and doesnt do. One, it is in a benign state, which means it has no blasting caps or electronic triggering devices on it. It is a safe substance. The cia sent news4 a statement, which says its conducting an independent review. The agency also says its taking steps to prevent it from happening again. Marylands house and senate are trying to iron out the dre unanimously to curb drunk driving in the state. But the family of officer noah leotta says one is weaker than the other. Noahs law would have devices for convicted drunk drivers in maryland. It is named for the officer killed by a suspected drunk driver last year while conducting dui enforcement in Montgomery County. We are not going to rest. We are going to be here through the end, and i want to be standing with my family beside Governor Hogan watching him sign this bill into law and it to be the strongest bill that it can be. Marylands General Assembly adjourns next month. 34 Million People are in the path of a Violent Storm sweeping through the midwest and south. This tornado in mississippi one of many. The system is expected to spawn again tonight. A lot of folks are still recovering from last nights day, some rain at times. The potential that youre dealing with a thunderstorm and windy pretty much from start to finish. Gusts tomorrow around 35 miles an hour at times. Well start off, though, with a temperature around 66 degrees, so pretty mild. The chance of a thunderstorm by noon. Were in the low 70s and a high tomorrow of 79. Well hit that at about 4 00 in the afternoon. By 7 00 in the evening, temperatures in the mid70s. Some limited sunshine throughout the day tomorrow, one of those days where youll get a little bit of everything. Heres future weather at 1 00. Notice the mix of clouds and sun across the area as well as some scattered showers back around the i81 corridor. As we move on into the later afternoon hours, at about 3 30, this is that secondary line of rain moving through the area. This line of rain with a cold front that will bring much cooler air in for the weekend. Notice by 7 00 most of the area is dry, so if you have dinner plans tomorrow night, you want to eat outdoors, looking like you should be okay. Hopefully, the rain tomorrow will wash some of the po tree pollen continuing to come in at high. The main producers oak and pine. Temperatures right now in the upper 60s and low 70s. 67 in washington, 68 in gaithersburg and 70 degrees in manassas. Again, a high tomorrow near 80 degrees, and thats going to be the warmest temperature we find out of the next seven days. On saturday a high of 64. And some rain in the forecast on saturday. Unfortunately, as new information comes in, it looks like that rain will continue to impact the d. C. Metro area, down into southern maryland, parts of the Northern Neck and around the fredericksburg area, especially through the morning and late morning hours. But once we hit lunchtime, it looks like well start to dry out. And by saturday afternoon, limited sunshine. Sunday, very windy, a high of 53. Look at your morning on sunday. When we factor in the winds, it will feel like temperatures are in the 20s on sunday morning feeling very cold, feeling more like winter at that point. You can see by 11 00 a. M. A sunshine. Were up on monday, a high of 66, down on tuesday, temperature around 50. Mid50s on wednesday and then upper 50s on thursday. A little bit of everything in the forecast. Wow. Looks like a good weekend for working on taxes. Exactly what i was thinking. Thanks, amile were. 39 in a matter of days. I know, its crazy. Still ahead, the colonials are cutting down the nets in new york. Jasons up next. First, though, heres jimmy fallon. Hey, guys Taylor Lautner is here for random shootout music from weiser. Its a great show tonight la, Time Magazine called Chris Van Hollen a hero to environmentalists, education groups, and gun control advocates for his accomplishments as a young legislator. Now a respected leader in congress and key ally of president obama, protecting planned parenthood and social security. Chris van hollen is the only candidate who fought the wall street banks and the nra. And won. Thats why hes endorsed by the post as the talented successor to senator mikulski who will deliver results. Im Chris Van Hollen, and i approve this message. Im Chris Van Hollen, but jamie raskin is the only democrat for congress whos authored landmark progressive laws marriage equality, equal pay for women, green maryland act, assault weapons ban, and more. Raskin im jamie raskin, and i approve this message. Well, in the break, jason was giving a slight ja