by 2008 it was clear placentia p.d. had hit that wall. they would need help on this one. and who they needed was a guy named larry. tell me about larry? larry is phenomenal. reporter: phenomenal because what? he sees things other cops don t see? phenomenal because he sees things cops don t see. i don t know anybody who could ve done a better job than larry. reporter: the evidence whisperer was about to listen to what the facts of this case were really saying. was there something police had missed? you bet. coming up. that picture of the truck spotted on the night of the crime. something about it just doesn t seem right, but the evidence whisperer is all over it. when dateline continues. dateli. game changer. the moment you take staining to the next level.
they report a missing person. sometimes they give you the idea that this it s an idyllic family life. because i think there s a fear that if they don t paint a very rosy picture of this person, we re not going to be sympathetic and look for them. reporter: that you re not going to work hard? we re not going to work hard. and i think there was a little bit of that with nancy. reporter: placentia p.d. was working the case. they brought in the usual suspects, like the boyfriend. when you guys were dating, she hasn t been dating anyone else to your knowledge? no. reporter: his name is matthew ramirez. he was at college with lynsie. they d been on and off a bit, but then when i went to her house thursday, you know, she was like, i want to break up. reporter: as can happen with young romance, what was off was soon back on. lynsie and matt were back together in time for the weekend. but not in time to make plans for that friday night. and then she s like, oh, i m gettin
what he called disrespect. larry heard about how chris had once crushed a pet crab with a hammer right in front of one of his girlfriends, because he thought the crab had killed one of his fish. this is a guy with some significant anger issues. it certainly appears that way. she told me it was from a car accident. reporter: larry listened to chris s interviews and caught him talking some of the time about lynsie in the past tense. her hand was pretty much stuck like this. okay. reporter: then larry found something in the paperwork from placentia p.d. that proved chris mcamis had lied to the police early on about his whereabouts on saturday february 17th, the day lynsie didn t come home. chris had told the cops he
i mean that s how desperate i was, see if there was a jane doe in the morgue. reporter: there was no jane doe. and there was no lynsie ekelund. most people who disappear like that, they come back within a couple of days. if not 24 hours, yes. reporter: is that what you thought was going to happen? i think we did. reporter: corinne loomis is a detective with the placentia police department. reporter: you had no unidentified bodies? we had no unidentified bodies. reporter: you checked the e.r.? we checked everything. we checked everybody. we checked everything. there was just no sign. it was just as if she d vanished. when s the last time you saw lynsie? a week ago. no. i don t think so. reporter: when the night lynsie disappeared continues. and your sister-in-law s. tennis partner s. chatty coworker s. youngest daughter s. entire judo class. one shot can make a world of difference. walgreens has specially trained pharmacists, that know which flu shot is right