HARTVILLE -- Police on Friday executed a search warrant at the home of a man who admitted to dumping his wife's body in the Tennessee River.

Hartville Police Chief Larry Dordea said officers took some items from the home of Philip Snider, who has not been arrested for his wife's death.

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Snider's bizarre story began earlier this month, when he told police his wife's body went missing during a trip to Graceland, Tennessee.

Snider claimed his wife, Roberta, fell ill in a parking lot during their Graceland trip, so he flagged down an ambulance that happened to be in the parking lot. He said the ambulance took his wife away and she wasn't seen again.

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No records for Roberta's body could be located at the coroner's office and first responders never logged any calls matching her death.

Earlier this week, Snider admitted he dumped Roberta's body in the Tennessee River off U.S. 40 in Benton County. Her remains have not been found.

Snider also submitted to a polygraph test this week, but results have not been released by police.