So your excuse is... the guy is insane. Well obviously there is something wrong with him if he chose to THROW acid on an innocent girl (in this case) or someone decided to kill someone. No sane individual can willingly take someones life. But you basically just threw your case when you fell back on the "hes insane" logic. That doesn't make it okay. Just because someone pleads insane doesn't mean that everything doesn't matter anymore. Fine, I'll kill your family and say "oh hey I'm insane." I'll bet my house that you'd want me dead. Everything that you've said right now would be forgotten and you'd want me to "pay" for what I did.