Wisconsin Department of Justice
Michael Black is an avid scuba diver. He was last known to be going for a solo dive on Lake Michigan. His truck and empty boat trailer were found at a marina in Milwaukee. Scuba gear with his identifiers on it washed ashore in the state of Michigan. Neither Michael Black nor his boat have been located. He was working as an ophthalmologist at the time of his disappearance. He is considered to be lost at sea.
