So, What Was Javon Walker's Involvement?

Curious stories about the Darrent Williams tragedy seem to be popping up every hour, most of them surrounding wideout Javon Walker's whereabouts. Was he in the limo? Did Williams die in his arms? Did he show up to the Broncos facility with blood on his shirt as ESPN.com reported?

Williams' mother also seeks to speak with Walker about the incident to find out what happened and offer some clues as to what prompted the incident.

Darrent Williams Killed [SI.com]