lay dying up by the metro station one of the shooters tried to get away driving down the wrong side of s street. scary to look at him? i don t even want to look at him. i guess somebody that pointed a gun at you, i don t want to look at him. reporter: this uber driver said he will never forget the gunman s face. this guy right here has a gun to his left. reporter: he picked him out immediately from the surveillance tape released by d.c. police. and he comes out of the sun roof? yeah, ya. reporter: and point yeah. reporter: and points the gun right at you. the suspect was fleeing down the street as he was coming up it on the wrong side of the road did. you think he was going to pull the trigger? sure, i did, yes. reporter: did you think those were the last moments of your life? it was very like confusing for a situation like this. reporter: the man backed away and left the suspect pass before pulling up next to a cop trying to save the life of matthew s
derailment that killed eight people and a deeper look at the technology that might have stopped it. and a 12-year-old attacked in her apartment building. we ve got the video police are hoping will lead to an arrest. first tonight a grim discovery inside this burning home. in the shadow of the national cathedral in northwest d.c. four people including a child, found dead inside. police say there is no question the circumstances here are suspicious. tonight police are trying to find out more about a luxury sports car seen at the house this morning. we begin our team coverage with news 4 s jackie benson who just spoke to a woman who says she was supposed to be in that house today. jackie? reporter: well doreen this conversation was chilling. now, this woman who didn t want her face on camera tells me she comes to this house every thursday to help out her friend who is a house keeper a woman who is believed to be abeing mo the deceased now. she says she got a text this
person. whether it has to do with the coffee or not, i m not sure. reporter: decalf coffee did not have the same effect. the key is likely caffeine. researchers didn t have enough evidence in tea or soda drinkers. i see a number of women who are depressed. middle age women who tell me caffeine does more for them than other medications around. we don t have a good way to prevent depression. there are some treatment but prevention is much more effective. reporter: doctors say it s way to soon to prescribe coffee. but, it seems a cup of joe might leave you feeling good beyond the last drop. oh, that caffeine kick. let s turn to the weather. we are in a roll in the wrong direction. another cloudy day out there. when oh when will the sunshine again? we have the answer with veronica johnson. once again, the clouds have been winning out. did you enjoy your minutes or seconds of sunshine today? it s all that many of us got. the clouds taking charge. this is day 13. we h