had killed kelli, but he needed to get holbert to reveal where he buried her 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. >> i didn't do any family stuff. 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. dedicated. >> get the answers you need. >> when i'm hunting someone down, i don't stop until i get the answers i need. >> but holbert still wasn't