now he was fully convinced nick holbert had killed kelli, but he needed to get holbert to reveal whereer body. >> how can i be his friend? and i had to do some things, say some crap that i just didn't believe, but i had to do it to play the part. >> marshburn bought holbert countless meals, beers, even hired him to do odd jobs, slowly becoming a bff, or maybe a more of a fren-enemy. but marshburn said he paid a high price as he practically abandoned his wife and young son. >> if we were eating somewhere, and nick called and said i need cigarettes, i need some money, i would get up and do what i had to do and come back. >> were you obsessed? >> when i have somebody i'm hunting down i don't stop until i get them. >> isn't that obsessed? >> i don't know. when i'm hunting someone down i don't stop until i get the answers i need. >> but holbert still wasn't provided answers about kelli who had now been mincissing some 18 months. by this point marshburn spent some $40,000 trying to crack holbert. he was losing hope and considered quitting or even trying something drastic. >> at times i wante

holbert claims he died when the two got on a fight on a boat.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. i never tried to paint myself as a good guy. i'm a bad guy. i'm getting what i deserve. i am sorry. i can do nothing to bring the people back, especially cher hughes, who was a good person. and the prosecutor's office in panama says there is no evidence to back up any of bill's story. >> there is nothing i can say. i am sorry. but i can do nothing to bring those people back, especially cher hughes who is an innocent person. >> reporter: he says he is sorry for what he's done and does he shed tears. but not for the victims, for his wife, laura who he says is innocent. >> if she was sitting here, i would tell her i'm sorry she ever met me. because she didn't deserve this. if i could give my life to set her free, i would. that's it. >> reporter: and the man who said

holbert claims he died when the two got in a fight on a boat.horities, 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. i know it's horrible and stupid. it was definitely the wrong thing to do. but i never had been in that situation before, didn't know what to do. i never tried to payable myself as a good guy, i'm a bad guy, i'm getting what i deserve. there is nothing i can say -- i am sorry. but there's nothing i can do to bring these people back, especially cheryl. >> he says he is sorry for what he's done and does he shed tears. but not for the victims, for his wife, laura who he says is innocent. >> if she was sitting here, i would tell her i'm sorry she ever met me. because she didn't deserve this. if i could give my life to set her free, i would. that's it. >> and the man who said he killed six people had time to sit in a cell and think about his own death. william h ocholbert and his wif apparently received threats in prison. >> there's a guard in this

today holbert and his colleagues are visiting the kiosk come up with the bill he watched from his shop as the assassin shot through the door of a shisha across the street he knew many of the victims and like many other locals has been terrorized by the experience. in any case we can't forget it it will be in us. and we will carry it with us for years. because we all knew the guys. and i was there that night as i said. and it's just hard to forget something like that but we have to live on far as we can as best we can. get. it to this day he's afraid if someone comes into the kill ask later tonight or person more stuff or listen to his concerns. or see if we know one or 2 people who are always there for you and back you up and say come on you need to go here or get this done that's very nice this year and all those 14 ish. i think the others are also very glad that they take care of us and ask. relatives and friends of the victims say a thorough investigation is crucial to come to fake news about the perpetrator and help soothe their sense of insecurity they also say the state urgently

today holbert and his colleagues are visiting the kiosk come up with the bill he watched from his shop as the assassin shot through the door of across the street he knew many of the victims and like many other locals has been terrorized by the experience. in any case we can't forget it it will be in us. and we will carry it with us for years. because we all knew the guys. and i was there that night as i said. and it's just hard to forget something like that but we have to live on really far as we can as best we can. get. it to this day he's afraid if someone comes into the kiosk late at night. and most often listen to his concerns even. if we know one or 2 people who are always there for you and back you up and say come on you need to go here or get this done that's very nice those 14 ish. i think the others are also very glad that they take care of us and ask. relatives and friends of the victims say a thorough investigation is crucial to come to fake news about the perpetrator and help soothe their sense of insecurity they also say the state needs to do more to tackle racism. or do y