User blog comment:Haultan/New title/@comment-5473242-20130602210848/@comment-4651179-20130606200817

Reason 1) The guy (the Clown) had a pretty traumatic childhood/adolescence. After the death of his friend, he finally broke and even started killing people with no reason. So it wouldn't surprise me.

Reason 2) He was hired to kill Hawkeye. I think he's playing with him first.