Kill Lisa News Today

Your mossberg in that rack? >> yes, its the middle one. >> lucas talked to deputies about the gun on the day of the murder. >> i toldem that i hadnt took it with me and it should be there. >> but his 12-gauge wasnt there when crime scene techs scoured the trailer. and cops knew another place it wasnt -- 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...

Deputy marty wonderman working his first-ever homicide case was back at the search. over here by this tree, what do you center. >> "weve 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 everyones 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 b...

>> youre in nurse mode? >> im 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 thats 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 im 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 wi...

Him. >> reporter: and they sawcentri. certainly not a killer. at last it was time for the states 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 dont know, just showing off my body i guess. >> r...

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 l...

On? >> i did. >> marty wonderland did too. >> were all strapped up. were all ready for business. >> reporter: deputy phillips and a partner drew line of fire detail, approaching tate for an interview. ? hes our prime suspect. for its very possible in all of our minds that he just shot and killed lisa. >> reporter: marty and the chief deputy provided cover in the driveway. >> had the red dot turned on. if things popped off, we were ready. >> nerves screaming, everyone was poised for battle, every...

Shotgun. it belonged to seths roommate who had just moved out. we showed lucas this photograph taken of seth at his home. if you look in the upper right-hand corner, lucas, the gun rack. >> yep. >> is your mosberg in that slack? >> yes, the middle one. >> lucas talked to deputies about the gun on the day of the murder. >> i told them it should be there. >> reporter: it wasnt there when crime scene techs scoured the trailer. and cops knew another place it wasnt. on the list of guns kept at the ho...

>> some sort of intruder? >> yeah, someone came in while he was in the shower and shot lisa and got away before he could catch them. >> well figure it out. >> lisas father, todd, thought he had it figured out and already had a suspect. >> go get him, go get him, now. >> todds rage was directed at the neighbor on the other side of the fence. a 56-year-old army veteran, named tate. >> i thought they better get to him before i do. >> reporter: ryan tate was embroiled in an escalating feud with his ...

Confidante of seths. >> i expressed that he needed to either end his marriage or end it with rachel. >> and saying that he should end his marriage with lisa techel, did he make any comment concerning child support? >> he asked me if i wanted to pay his child support. >> reporter: then the witness recalled another remark seth made about lisa. >> he stated that it would be better off if she was in a car wreck and died. >> reporter: prosecutors hoped their third time would be the charm. but the new...

Techel, guilty of murder in the first degree. psyched by the head -- signed by the head juror. count two, nonconsensual termination of human pregnancy, guilty of nonconsensual -- >> reporter: the justice system had finally spoken for lisa and unborn zoe. then you hear the words -- >> the words "guilty." i see nothing, not one single emotion from his face. >> reporter: the jurors had taken four hours to convict. on their way out, several reached across to shake tracys hand. presley still had one ...