He has not been seen or heard from since those dates and is classified as an endangered missing person. He is described as 6 feet 2 inches, about 185 pounds, with brown hair and brown eyes.

Few details have been released about the circumstances of his disappearance. He has a history of substance abuse and several distinctive tattoos: a half-sleeve of a dragon and skulls on his right upper arm, a tattoo of a woman on his left calf, and a tattoo on his left ankle. He may use aliases including Jacob River Allen, Jacob River Nunes, and Jacob Neutral River. The Boise Police Department is investigating, and his case is listed in NamUs as MP77998.

If anyone in Boise or elsewhere remembers seeing Jake, his vehicle, or has information about his whereabouts or aliases, please contact the Boise Police Department.