I have an idea for sure.Improvisation... Tricky stuff at times. Backstory is easy enough to improvise mid-way through an RP if ya think on it for awhile, but it's still wise to at least rough draft all the really important, character-defining stuff in a sense prior to the RP beginnin'.
Yes. And he may or may not have killed one of the murderers in an act of hatred and revenge.Someone(s) brought a disturbance of order into his life through murder with the result of psychological scarring, therefore he becomes obsessed with said chaos 'n feels the compulsive need to spread it himself. Makes sense.