ST. CLAIR SHORES, Mich. -

St. Clair Shores police are investigating the discovery Saturday of a decomposed body inside a portable toilet at the city's 9 Mile and Jefferson boat launch.

Investigators have not identified the man, whose remains were inside the toilet. The cause of death has not yet been determined.

Investigators speculate the man was homeless and had been using the portable toilet for shelter during the winter and died inside.

Police continue to investigate.