Crazy and annoying? yes he is. A dangerous criminal who needs to be tortured into submission? certainly not! The real reason they sent painful charges of electricity into him, causing him to spasm, was not to subdue him, but to punish him for not respecting authority figures. That's what all torture is about. It has nothing to do with extracting any information. It's about punishment and revenge.
Digby's Hullabaloo has been running a steady campaign against police tasering, keeping tabs on its regular abuse, and of all the deaths it causes.