wheel of an suv that struck and killed kiela marie ryan in dupont circle early yesterday morning. ryanas out celebrating her birthday. she died a few hours later at a local hospital. a witness saw the entire thing and chased the suv long enough to get a tag number. it was that information that led them to davidson's friendship heights high rise. police too away her suv as evidence, the bumper cleaned after the accident. they called the bicyclist's hp key. >> that was a very important piece of the investigation. without him the investigation wouldn't be as tight as it is right now. and we always are looking for more witnesses that was there that day that possibly witnessed the incident. >> reporter: investigators tell us that davion is an albanian citizen who sometimes freelances as a translator. that arraignment hearing supposed to take place sometime after 1:00 this afternoon. back to you. >>> planning on taking metro