That hardly justifies it. There's no excuse for shooting at someone who poses no clear and present danger, and who is running away from you.
Actually, back then, I think the law allowed police to shoot fleeing felony suspects, whether they were armed or not
Just watched the second episode (I'm a week behind). If you thought what he did to the fleeing suspects was out of bounds for a police officer you ain't seen nothing yet. This guy makes Vic Mackey look like Andy Taylor