Jury finds man guilty in Tama County cold case homicide

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MARENGO, Iowa (KCRG-TV9, AP) -- Jurors found a federal inmate guilty of murder for killing his fiancée, who vanished without a trace in 2000.

The case against 50-year-old Tait Purk went to the jury Tuesday afternoon. Deliberations wrapped up around 12:30 Wednesday afternoon. He killed Cora Okonski. Purk told police she left their home in Tama to walk to a store to buy cigarettes and never returned. Her body has never been found. His attorney says there's no evidence Okonski is dead.

Purk's been serving time on unrelated federal drug and gun charges.

The trial was moved out of Tama County because of pretrial publicity. It was held in Iowa County District Court in Marengo.

The Associated Press contributed to this story.