On May 10, 1967, thirteen-year-old Joel Hoag, his eleven-year-old brother William "Billy" Hoag, and their fourteen-year-old friend, Edwin "Craig" Dowell, vanished in their hometown of Hannibal, Missouri. The three boys were last seen between 4:20 and 5:00 p.m. on the south side of town, carrying shovels and a flashlight. They told friends they were heading to explore Murphy's Cave, which had been exposed by construction work for Highway 79. The previous day, the Hoag brothers had explored the ca
...Read MoreLast Seen: May 10, 1967