5 cops. FIVE freaking cops. On top of one not-so-giant-of-a-dude. I understand that he put up resistance, but why did they wait to tase him when they already had him on the ground? He wasn't going anywhere fast.
If they needed to tase him before they got him under control, it would have been a little different. But they decided to tase him when he was already PINNED by 5 cops. That should raise a big WTF right there. They might as well have kicked him in the balls for no reason at all.