so placentia pd decided to outsource the case to a guy named larry montgomery.re than 30 years working homicide, larry's put away his share of bad guys. not usually by knocking on doors. instead, larry works by looking very closely at the evidence. he didn't work fast. in fact, larry is meticulously slow. and that was just what this cold case needed. was there anything in the original investigation that struck you as something that you needed to reexamine? >> everything. >> everything that had led placentia police into that wall, trying to decide between two suspects. >> i'm concerned about this girl, okay, you know. and she's missing. >> marty, lynsie's older friend who kept their relationship a secret and lied about his name. and chris. >> in my heart, it seems loik she might be still alive. >> the last person known to have seen lynsie when he dropped her off at that corner. >> any idea on your part which of the two were a more likely suspect? >> no. i don't know until i get into it and see the details. >> you're no doubt aware you have the reputation for beli

just down the street from chris' house, detective bryce angel of placentia pd, assigned to work withg and keeping an eye on the action. so you're watching him while this interview happens on the front doorstep? >> yeah. i was sitting ten houses down, watching the reporter or the undercover police officer. once she left the area, we were in business. >> what happened? >> later that night, he was seen coming out of his house and going into the garage, lights go on. we're talking like 3:00 in the morning. it was clearly the sign of somebody who couldn't sleep. >> detectives were sure they had ratelled their suspect. they trailed chris the next day when he left his house. >> at some day it became apparent that he knew we were following him. >> they broke off surveillance. and brought chris in. >> have a seat. >> larry had learned all about chris mcamis and looked at tape every time chris had been in for an interview. today, he and chris were going to meet for the first time. >> i have been investigating the case for about two years now. >> larry had a plan to get chris to talk without as

even called darren wyatt, the first detective on the case to see if the placentia pd wanted in. >> i me fall at your feet. this is going to be good. >> the phoenix pd also provided scores of officers. by game day he had close to a hundred cops working the case. >> i'm reminded of that mouse trap game you play when you were a kid. this huge ball bearing was going to have to go through a tremendous amount of obstacles that were thrown together in order to lower the trap and catch the mouse. anywhere along the line there could be a snag. there could be something we hadn't planned for that cowl throw this ball completely off the board. >> okay. so what was the plan? what was the nature of your trap, of your mouse trap? >> we believed that if we did something to get these people uptight, if we were a i believe to rattle the tree, put fear in them that maybe the police were on to them that they would talk about the murder of jack jessee. >> so what was the piece of cheese you put into that trap? >> we mailed a simple copy of the newspaper article when jack jessee was murdered anonymously t