The Ram's driver claimed he thought he had a green light, but he definitely ran the red; a couple seconds elapse between when our light turns green and the collision. He should have stopped where the solid white line is on Old Keene Mill Rd. here:



The FPS is a federal law enforcement division, their beat includes secure facilities where cameras might be frowned upon so I don't know if they have any of their own. Traffic accidents on county roads aren't their jurisdiction, but other FPS officers still showed up on scene before the county police did.