Quote Originally Posted by I'm my own MILF View Post
I will presume, however, that you do not mean worst in the sense of most incompetent, but rather in terms of most evil/prolific.

Let me tell you; it's not some nutjob cannibal.
Harold Shipman gets my vote. A nice, middle-class doctor, very caring and kind, listening and supportive, loved his patients, frequently made house calls, killed 250 people deliberately and carefully, with morphine injections that he knew would never cure them...