On October 16, 1991, Game Warden Kirk Inberg, along with Biologist Kevin Roy and Pilot Ray Austin, were on a routine tracking flight to locate a wounded grizzly bear in the Jackson Hole area. During the flight, strong winds (estimated to be at 70mph) moved into the area and may have been a factor in the plane’s disappearance. In the Fall of 1995, an elk hunter found the downed aircraft in a timbered area north of Togwotee Pass.

Lt. Mark was killed in a traffic accident on September 7, 1993, while attempting to apprehend an escapee from the Goshen County Jail. The escapee had been awaiting sentencing on several sex crime convictions. Lt. Mark knew the escapee well, as he had investigated the crimes and was instrumental in the convictions of the criminal act. Acting on a tip, Lt. Mark was proceeding to the last known sighting of the jail escapee when he became involved in a traffic accident that took his life. The escapee was later arrested in Norfolk, Nebraska.

Warden Bowles died on February 20, 1992, after suffering a massive heart attack. Warden Bowles had left Dubois for the Brooks Lake area of Fremont County on a snowmachine. While trying to access the high elevation areas, Warden Bowles’ snowmachine became stuck in the deep, soft snow. After freeing the snowmachine, Warden Bowles suffered a heart attack.

Robert Mahn was killed in a snowmobile accident on January 17, 1994, in Yellowstone National Park. Ranger Mahn had left the East Entrance of Yellowstone National Park to assess the snowmobile route to Sylvan Pass for avalanches and travel conditions. During this trip, high winds created poor visibility, causing him to accidentally leave the road and drive his snowmachine over a steep embankment.