. >> i can't hold mr. kato accountable for all the problems and aging system has. that's not what we want to do. but it is how you react to those problems. >> reporter: they are not yet able to say what caused the crash. the investigation is far from complete. bruce johnson, 9news now and wusa9.com. >> union leaders claim they have repeatedly made their own safety recommendations to metro management and that those recommendations have been ignored. >>> a guilty plea today from that bethesda teenager who kept an arsenal of bomb making materials in his bedroom. after his arrest 15 months ago police released a video showing bomb triggers and chemicals, assault weapons and rifles. he pleaded guilty today of possessing a destructive device. there was apparently a map of the president's motorcade. but his lawyer says that was way overblown. >> there was no plot to kill anyone at any time. >> reporter: sentencing is set for january. he could be facing two to seven years behind bars. >>> montgomery police released video of a surveillance. this is newly released video from

. >> i can't hold mr. kato accountable for all of the problems that and aging system has. that's not what we want to do. but it is how you react to those problems. >> she says metro has ignored the union's safety recommendations an today she said the system ought to remain in manual mode until the actual cause of last june's fatal crash can be determined. the trains we are told will continue to operate in manual mode. >>> fairfax county police have charged two men with last year's murder of a virginia woman. one suspect was picked up in michigan. the two accused are charged with killing the woman. >>> virginia state police released this video today of an alleged carjacker on foot running away from a crash scene. police believe he carjacked the woman in gainesville, virginia, last thursday night. forced her to ride along and then ended up crashing in prince george's county. here is a quick look at a composite sketch of that same suspect. if you have any information, he looks familiar, call police. >>> right now a quick check on our forecast. >> probably ought to savor this