Suspect who confessed to Mollie Tibbetts' murder lied about employment

The dairy farm where Cristhian Rivera worked for the last four years said he presented employment documents that didn't belong to him.
2:21 | 08/23/18

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Transcript for Suspect who confessed to Mollie Tibbetts' murder lied about employment
All eye on that midterm. New details in the Dea of llie Tibbetts. He classmates from the university O iow WHE she was a freshman held a vigil overnight as her alleged killer made Hirst appearance in court anre are many questions Abo his state as he was in the United States illegally. Our alerez is in Brooklyn, Iowa, F us Thi morning. Alex, good morning to reporter: Good morning, Paula. E judge ordered the suspect he on a $5 million cash bond. Investigators say H followed lie and carried out his attack in cold blood. This morning the manused of killing mollie Tibbetts is behind bfter making an appece in court Wednesday. You have charged with murder in the firstdegree. Reporter: 24-year-old ccating via a slator. Authorities se confessed to abducting and kill H dumpinr body in anfield. Rivera who is from Mexico is in the countryillegally. The white house Weig in. Theder I anl immigra making this an unfortunate reminder of why we ne T strengthen our immin laws. Eporter: Releasingsn Twitter talking about theder border control. A pn came in from Mexico illegally and killed her. Wed the . We need our immigration law changed. Eed our border law changed. Reporter: The dairy farm where riv worked the last four years now saying he lied presenting employment documents that did not belong to him. What we learned inhe last 24 hours that our employee wa not who he saidwas. Reporter: The farms when they hired rivhey use an outdated system instead of homeland serity's e-verify. Overnight, residents gathering fo to rber Mo, her family issuing a statement than those around the world who have sen thoughts and prayers and saying, our heart are bro the famyentn to say they willarrylie in their he forever. The suspect I due back in court August 31st. Ula. Ust can't imagine that fa's devastation, Alex. K you. Now to the latest on Asia Argento.

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

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