A former Fort Campbell soldier accused of killing his estranged wife has died of a self-inflicted gunshot wound .
Police said 36-year-old David Munis was found July 17, in Wyo. He had suffered a chest wound.
Munis was accused of shooting 40-year-old Robin Munis in the head while she was singing on stage at a restaurant.
Robin graduated from Austin Peay State University in Clarksville, Tenn. The couple lived within a few miles of Fort Campbell while David was based at the Ky. post.