On June 3, 1985, 34-year-old Lake Darrell Elven James, a White male and a U.S. Army veteran serving as a Lake Ranger in Duncan, Oklahoma for about four months, was killed while responding to reports of gunfire in the northern area of the lake. He radioed that he was approaching a brown and white van marked security; shortly after that transmission his body was found, fatally shot with a shotgun. He left behind a wife, a son and two daughters.

The Duncan Police Department arrested a suspect relatively quickly, and that individual was later convicted of murder and received a life sentence. In April 2012 the convicted person was denied parole and remained incarcerated.

If anyone knew Ranger James, the circumstances around the van he reported, or has information about the shooting, please come forward to the Duncan Police Department.