he was actually just a very affable guy. >> bitterman led a small gang that robbed and killed at least four men and one woman over a three-year span. >> translator: it actually started when i got into a certain gang of friends with whom i had common interests, as far as weapons and drinking alcohol and having parties. and for things like that, of course, you need money. and, of course, as a young kid i didn't feel like working, but on the other hand i wanted to have money. >> how many people you the personally murder, otto? >> myself personally, i actually killed three people. but i participated in all five of the murders. >> bitterman buried one of the victims in his own backyard. >> translator: in a movie it looks real easy. you just hit the guy, he falls down and he's eliminated, you know. he's knocked out, so he's out of the way. you know. but in reality it's different. the guy started to fight back. and then it turned into a knife fight. then it turned into a murder. i know that people say and write things about me. that i'm a cold-blooded murderer but there is no such thing as a