Five years ago, no xD but he did somewhat promise Dog he needed some valid excuse to kill someone.

Otherwise everyone in the house would probably be murdered right now (like Tony)

Noooow that excuse could vary. He'll still kill you if you point a weapon at him, or make a threat. XD like the dog, his excuse was it tried to bite him :T

But if it was up to him , nah he would go on a murder spree <.<