Karl Thomas James Betty was 23 when he vanished from Walla Walla, Washington, in the spring of 2018. Around May 1 he left the residence where he was staying and was not seen or heard from again; his family reported him to police on May 29, 2019. He is described as a white male, 5 feet 6 inches, 115–120 pounds, with brown hair, blue eyes and a tattoo on his right inner forearm of a heart with the name Avery inside. His case was entered into NamUs as MP57695.

The investigation remains open and the trail has grown cold.

If anyone knew Karl, saw him in Walla Walla around May 2018, or has information about his whereabouts, please come forward.