Who was wrong — cops or motorist?

Not only they come in the way, just as the motorist is forced to slow down, one of the policemen catches hold of the handle of motorbike and, just as the vehicle stops, pulls the key out and confiscates it. Here too something similar happened. Unfortunately, the motorist lost balance and fell on the ground. And, to his utter misfortune, a truck overran him, and he died....