Send us Fan Mail In August 1996, John Hartenfeld drove into the mountains of northern New Mexico for a solo fly fishing trip and never came home. His Toyota 4-Runner was found two months later on remote ranch land — every fingerprint wiped from the vehicle. His credit card had already been used, four days after he vanished, to buy a small and troubling amount of two-stroke fuel. Private investigators and law enforcement both concluded foul play. No one was ever prosecuted. John's son James Ha...