and without him knowing what happened, i shot him from behind and killed him. >> holbert also admitsumber six. a american ex-pat jeffrey kline. hole bert claims he died when the two got on a fight on a boat. too afraid to go to authorities, holbert came up with his own solution to get rid of the body. >> i took it home and buried it. and then i built a picnic area over it. it's horrible and stupid. but i never had been in that situation before. i didn't know what to do. >> in the interview, holbert confesses to it all, then offers up a convoluted explanation for why he did it. he says he acted on orders from other americans and claims there's a large crime ring running around bocas trading arms, trafficking humans and ordering hits on people, including the browns. i never tried to paint myself as a good guy. i'm a bad guy. i'm getting what i deserve. killed six people, now has time to sit in a cell and think about his own death. holbert and his wife have received threats in prison. >> there's a guard in this jail that brings me a cell phone and gives me death threats from these peopl