. >> that's a really good point, some years ago with my colleague maury pos lee we wrote a book abouthe most prolific hit man named harry holon, who -- did someone just clap? i thought i heard someone clap. [laughter] we paid his murders at about 41 and he was very good at and i don't think he developed a taste if after 20 murders they said harry, we want you to go run a race track in last vegas, you can't kill anybody any more i don't think that he would have gone, on, let me tell people. it was a job. and i think that is what it is for most of these, even as proficient as they might be it's not that they get like they are going to get a blood lost and need to kill. >> a guy like nick, that is what i was trying to get to earlier, you expect a hit man is going to be a hit man. this was a guy that was trapped in his life and didn't want to do it. the last thing that he ever wanted to do is be involved in this kind he was afraid was going to be him if he screwed it up and ran it was going to be him. >> some of these most interesting what you call it prolific serial killers if you took a