shoot him, and then say "they thought he was drawing a weapon...as he fled".
Its worse than that. They wouldn't need to have worried about a gun to open fire. A vehicle is a deadly weapon. I think that if the agents thought the car was going to hit them, they'd be justified in shooting.
A teenager in (again) Virginia was shot and killed by an off-duty cop working as a security guard who thought he (the teen) would hit him with a car after the kid stole pancakes.
Its worse than that. They wouldn't need to have worried about a gun to open fire. A vehicle is a deadly weapon. I think that if the agents thought the car was going to hit them, they'd be justified in shooting.