Rules is rules and ya gotta love 'em

F.B.I. Says Killing Man Was Justified, but Not Shooting His Tire - The New York Times

"The review group’s reasoning was that the bureau’s policy on using lethal force forbids firing a gun to disable a vehicle, and it concluded that this had been the agent’s motive in shooting the tire. But the same policy permits firing a gun to protect people from danger, and the panel decided that the two agents who shot Mr. Harrison were trying to keep him from driving into bystanders."