Detroit police are investigating an early morning shooting at the Erma Henderson Marina involving the officer’s 58 yr old wife and his alleged mistress. The officers wife thought he was out of town. However she drove by the marina at 4am and saw a light on inside the boat. She went inside carrying a 38 revolver The wife is licensed to carry a concealed firearm. The gun discharged striking the 40yr old woman in the thigh. The wife who’s a registered nurse went to the aid of the woman. At this time the wife’s not in custody.