Undocumented immigrant charged with murder of missing Iowa woman

Cristhian Rivera, 24, an undocumented immigrant who lives in the rural area, allegedly confessed to the crime and led authorities to the missing college student's body.
2:18 | 08/22/18

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Transcript for Undocumented immigrant charged with murder of missing Iowa woman
Ks very much. We turn to the news about ago and authority they ha found the body of mollie tits and thing what we knowbout the suspect taken intotody who was in the count illegally.abc's Alex Perez more F brklyn, Iowa. Good morning, Alex Reporter: Good morning, the suspect worked on dairy farm fr years, investigat say it was surveillance video from a resident's H that finally helped track this case. Thrning, therac ending mollie Tibbetts' family most edovering a body charging this man, cristhian rive with first degree murder. In one aspects been able to be rve but again not the outcomat all that any of us wanted. Obviously mollie'sfamily. Reporter: Rivera confessed to the crime. While she was out for a run back on July 18th. He ran alongsidf her or nd her and then she took O running. N turn chased her wn. Repor investigators say the suspect led them to T remains found in acorn aboun miles outsidef Brooklyn, Iowa, where Sas living. She was found in a field and there were corn stalksplaced over the top of her. Reporteivera who authorities say is in the working iowa. His employerselling a news he Ed a yarrabee F for four years and W vetted H the rnment's e-verify system. President trump talkingut it at a rally. You heard Abo the illegal aliening iny sadly from Mexico aou saw what happened to that incrible, butiful youngwoman. Rter: For 34 days orities workround the ock to find the20-year-old. Searching rural farms and properties andormation F her fitbit and ititors it was surveillance video fro a resi's home that finally Ed lead them T Rivera. And the suspect is seto make his initial appeance in court R this afternoon. If convicted he could face up T life in prison. Michael. All right,ha you so much, Alex. Dely not the outcome ne was hopingfor. Now over tginger.

This transcript has been automatically generated and may not be 100% accurate.

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