" We believe this is a homicide as a result of a gunshot wound," Lt.... Then they discovered a human jawbone with teeth still attached and reported them to National Park Service rangers." We just really hope that the family of that person finally gets answers and hope their soul is laid to rest peacefully," Lynette Melvin said.... Patrick T. Fallon/ AFP via Getty Images People recreate on the shore during low water levels due to the western drought at the Lake Mead Marina on the Colorado River