your mossberg in that rack? yes, it s the middle one. lucas talked to deputies about the gun on the day of the murder. i told em that i hadn t took it with me and it should be there. but his 12-gauge wasn t there when crime scene techs scoured the trailer. and cops knew another place it wasn t on the list of guns kept at the house that seth had written out for the dci agent. investigators felt certain the mossberg was used to kill lisa, but a big question remained. where is it? that s what we wanna know. where is the gun? that same sunday morning, a team began searching the big, beautiful piece of property where seth and lisa were starting married life and preparing to raise a family. deputy marty wonderlin, working his first-ever homicide case, was back at the scene. not too long into this sunday morning search, over here by this big old tree, what do you hear? i hear, we ve got it. you know, shotgun here. they were going nuts.
deputy marty wonderman working his first-ever homicide case was back at the search. over here by this tree, what do you center. we ve got it, shotgun here, they were going nuts. there of the mosberg in the tall grass about 20 yards from the back door of the trailer. that was a huge development in the case. it was. i think everyone s mood doubled or tripled when they found the gun. ballistics would match it with the slug that killed the pregnant lisa. investigators could fill in one big box on their checklist murder weapon. next they worked on possible motives. was it a neighbor with a vendetta or a husband lusting after another woman? state agent birmingham and deputy phillips decided to have a talk with seth s work friend, rachel. we interviewed her on tuesday, may 29th. no tricks here, someone has lost their life. two people have lost their life. reporter: over the course of
you re in nurse mode? i m thinking maybe if i get here fast enough, there will be something i can do. todd raced behind in a separate vehicle. i repeated over and over, oh, my god, oh, my god. frrt that s all i could think and say. at the scene, deputy ran back to the house and did what he could to help the emt. started giving lisa cpr. it felt like forever. and i m asking him you want me to do cpr still? and he told me not to. there was nothing more to do. she was gone along with her unborn daughter. lisa marie was just 23 years old. i ran in there and you could tell she was gone. so, you went into the bedroom and saw her. did you tend to her? yeah, i held her hand and i
him. reporter: and they sawcentri. certainly not a killer. at last it was time for the state s star witness, rachel mcfarland, the other woman, to show up and tell her story. did you need the jury to like her? we needed the jury to believe her. reporter: rachel testified her relationship with seth started heating up in december, 2011, which was two months after seth got married. it became more sexual, asking me to send pictures or i don t know, just showing off my body i guess. reporter: on may 20th, 2012, seth and rachel met at a nature preserve where they took this selfie to remember their time together. i mean, he kissed me, touched me. he said that we had everything in common and that he had tried working thins out with lisa, and they just weren t work, and i was exactly what he wanted. reporter: she said seth repeatedly told her he was going to divorce his wife.
tw of them were going to get married, jeff and lisa made the inevitable official. seth came to our house and met with us and asked our permission to marry lisa. old school? old school. after dating for years, they got married in october 2011. she was 22, he was 21. i told him no matter what he did to take care of her and protect her. and he said. he said he would. she got more than a brother in law in seth. he was my friend. he called me dad. we told each other we loved each other. i felt as close to him as i did my vun. for lisa, it was having all his buddies come along too. a package deal. how did lisa put up with you