she didn't know it, but a few miles away, larry montgomery was tightening the noose around chris mcamisd a motorcycle cop from a nearby town to go undercover. >> they needed a police officer who looked like a college student and didn't have the mannerisms of a police officer. >> she fit the bill. how were you dressed? >> jeans on and just a little shirt, something that a college student would wear. but something that would also appeal to a guy. >> were you armed? >> yes. >> and you were wearing a wire? >> yes. >> hi, are you chris? >> yes. >> hi. my name is nicole arounderson. i'm from the fullerton college magazine. >> complete with a phony press pass, she knocked on chris' front door. chris had talked to a student reporter from lynsie's college in the past. >> did you use your real name? >> no, a fake name, told him who i was -- >> we just received word at the magazine that remains have been found that they believe belong to lynsie. i guess they're doing dna testing right now. in the meantime, i'm supposed to contact friends, family to get their initial reaction for a story. >> okay.