When a devoted family man and avid hunter disappears while tracking deer in the Sierra National Forest, there are few clues as to what happened to him. Then, when his vehicle surfaces investigators are faced with even more frustrating questions.
If you have any information about the disappearance of Robert Willis IV, please contact the Fresno County Sheriff’s Office at 559-600–3111.
Robert Willis IV (Photo Source) Madison Willis
Robert Willis IV, his wife and two sons around the time of his disappearance (Photo Source) Madison Willis
Robert Willis IV with his friends (Photo Source) Madison Willis
Robert Willis IV, Robbie and Colton (Photo Source) Madison Willis
Robert Willis after a hunting trip in April 2007 (Photo Source) Madison Willis
Robert Willis IV with his sons (Photo Source) Madison Willis
Robert Willis IV Photo Collage (Photo Source) Madison Willis
Robert Willis IV’s 2000 Nissan Frontier pickup truck (Photo Source) Madison Willis
Robert Willis IV’s 2000 Nissan Frontier pickup truck (Photo Source) Madison Willis
Robert Willis IV’s 2000 Nissan Frontier pickup truck (Photo Source) Madison Willis
Robert Willis IV’s 2000 Nissan Frontier pickup truck (Photo Source) Madison Willis
Sierra National Forest Image (Source) Sierra Club
Sierra National Forest Map (Source) Google Maps
Episode Source Material
- Fresno County Sheriff’s Office: Lost or Missing Person Report. Created November 3, 2008. Obtained via public records request March 11, 2025. Hard copy only, no direct link.
- Fresno County Sheriff’s Office: Incident Report. Created November 3, 2008. Obtained via public records request March 11, 2025. Hard copy only, no direct link.
- Fresno County Sheriff’s Office: Incident Report. Created November 3, 2008. Obtained via public records request March 11, 2025. Hard copy only, no direct link.
- Park Predators Interview With Madison and Robbie Willis, Robert Willis IV’s daughter-in-law and adult son. Conducted by Delia D’Ambra on February 27, 2025.
- The Fresno Bee: Caruthers man missing east of Dinkey Creek. By staff Via newspapers.com.
- The Fresno Bee: Search is on for missing hunter near Dinkey Creek. By staff Via newspapers.com.
- The Fresno Bee: Family told to wait on search. By Paula Lloyd Via newspapers.com.
- The Union: Search expands for hunter missing in Sierra. By staff.
- The Fresno Bee: On the web. By staff Via newspapers.com.
- Visalia Times-Delta: Search expands for missing hunter. By staff Via newspapers.com.
- The Associated Press via The Sacramento Bee: Search expands for hunter missing in Sierra Nevada. By staff Via newspapers.com.
- The Fresno Bee: Fresno Co. Sheriff’s Department ends search for hunter. By Jim Steinberg Via newspapers.com.
- Visalia Times-Delta: Search suspended for hunter missing in Sierra. By staff Via newspapers.com.
- The Fresno Bee: Search for remains is part of a training exercise. By staff Via newspapers.com.
- The Fresno Bee: The human GPS. By Marek Warszawski Via newspapers.com.
- Mid Sierra Musings: SAR Recovery Search in Exchequer Meadow. By Dale Matson.
- The Charley Project: Robert S. Willis IV.
- Vanished.us: Robert Willis Vanished Whilst Hunting At Deer Creek.
- Park Predators Interview with Vincent Vieira. Conducted by Delia D’Ambra on March 30, 2025.
- Park Predators Interview with Fresno County Sheriff Lieutenant Matt Hamilton. Conducted by Delia D’Ambra on April 3, 2025.
- Park Predators Interview with Chris Borden. Conducted by Delia D’Ambra on April 3, 2025.
- California Office of the Attorney General: Missing Person Robert S. Willis IV.
- NamUs: Missing #MP37743 Robert Willis IV
- National Missing Person Directory: Robert S. Willis IV