Lillian Richey, a 51-year-old widow from Nampa, Idaho, vanished after a late-night outing on February 9, 1964. The night before, she went to a nightclub in Garden City with a man from California attending a cattlemen’s convention. He drove her home about 2 a.m., then borrowed her car to return to his hotel. Neighbors reported her kitchen lights on later that night, but she was not seen again.

The next morning the Californian and a friend came to her house for a planned breakfast, found the door unlocked and no sign of Lillian, and left a note. She was reported missing when she failed to appear for work the following day. Investigators found several personal items missing, including a black cocktail dress and two purses, while the home otherwise showed no signs of disturbance. Searches produced no trace.

Her family declared her legally dead in 1967, and the case has been revisited over the years with lingering speculation about possible burial sites, but no definitive clues have emerged. Does anyone have information about Lillian’s last known movements or the people she met that night?