to a guy named larry montgomery. on the side, he has put away his share of bad guys, usually by knocking on doors, but instead he works at looking very closely to the evidence. he doesn't work fast, in fact, he is meticulously slow. and that is just what is called case needed. >> was there anything in the original investigation that struck you as something to be needing to re-examine? >> everything. >> everything that had led the police into that wall. trying to decide between two suspects. >> i mean, i'm concerned about this girl. okay? you know? she is missing. >> marty, lindsay's older friend. who kept their relationship a secret, and lied about his name. and chris. >> it seems like she might be still alive. >> the last person to have been known to see her when she was dropped off at that corner. >> and he in your mind, which of the two was a better suspect? >> no, i don't know until i get into the details. >> you're no doubt aware that you have a reputation for saying god's in the details? guilty or innocent? was