(STMW) — Investigators have recovered evidence in their search of the Marquette Park lagoon, police said Monday.

A police source said divers were searching for human remains after detectives received information that a man may have murdered his girlfriend, dismembered her and disposed of her body in the lagoon at the Southwest Side park.

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Officials could not provide specifics of the “evidence” Monday night.

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Police marine units began searching the eastern shore of the water last Tuesday evening at the park near 71st Street and California Avenue, police said.

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