Article Photos: More investigation needed in fatal Cowboys crash 3/3

Tire ruts are seen on the ground with skid marks, at rear on road, at the site of single vehicle accident involving Dallas Cowboys player Josh Brent as a news cameraman, rear, films the area, Saturday, Dec. 8, 2012, in Irving, Texas. Brent is facing an intoxication manslaughter charge after a one-vehicle accident that killed linebacker Jerry Brown, a member of the team's practice squad. (AP Photo/Tony Gutierrez)