here is another "self-defense" by Toronto police:
https://www.youtube.com/watch?v=dx2iQnYMQfM
first 3 bullets in the chest, then 6 in already dead body, then taser the corpse. policemen successfully argued self-defense and was charged with attempted (???) murder. the only reason why this made to trial, was because video was released to public. otherwise he would have walked.