Cook County man's body recovered from lake after jumping from boat to swim

UNINCORPORATED ANTIOCH, Ill. - Divers have recovered the body of a Mount Prospect man who went missing Saturday afternoon after jumping into a lake in unincorporated Antioch.

The body of 52-year-old Robert Mozdzynski was recovered from Lake Catherine on Monday following unsuccessful searchs over the weekend, according to the Lake County medical examiner's office.

The Lake County Sheriff’s Marine Unit Deputies were called to the lake around 3:50 p.m. for a report of a man who jumped into the water but did not resurface.

Officials said Mozdzynski was on a pontoon boat with his adult son when he jumped into the lake to swim. He briefly resurfaced, but then fell below the water surface and was not seen again, the sheriff's office said.

Authorities used sonar to search an area of the lake that was approximately 30 feet deep on Saturday and Sunday before they found Mozdzynski's remains Monday afternoon.

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The preliminary results of an autopsy indicated Mozdzynski died of drowning, but toxicology tests are still pending, Lake County Coroner Jennifer Banek said in a statement.

His death remains under investigation by the coroner and sheriff's offices.