Tristram Paul Galligan, 50, was last seen December 2, 2024, in West Sacramento, California. He lived with a roommate near Willow Avenue and has not been heard from since that day. The West Sacramento Police Department is investigating.

Galligan is described as a white male, 5 feet 10 inches and about 175 pounds, with brown hair and brown eyes. He has a skeleton tattoo on his right shoulder and is sometimes known as Tris. Authorities have classified him as an endangered missing person because he has epilepsy and a cognitive disorder.

Few details about what happened the day he disappeared have been released. If anyone saw Tristram Galligan around Willow Avenue on or after December 2, 2024, or has information about his whereabouts, please come forward. How can readers who were in that area that day help investigators?