Authorities say they are holding a suspect in the death of Iowa college student Mollie Tibbetts, and he is being held on a federal immigration detainer.
Mitch Mortvedt, an assistant director of the state Division of Criminal Investigations, says Tuesday that authorities are holding a suspect and will release more details during a 4 p.m. news conference.
Earlier Tuesday, investigators announced a body believed to be Tibbetts was found in rural Poweshiek County.
Tibbetts, a 20-year-old student at the University of Iowa, has been missing since July 18.
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