Hawaii County police are looking for Hale Nani reintegration center inmate Railee Santos, who was reported missing from the center on Monday evening.

Santos was present at a 6 p.m. headcount but was noticed missing an hour later.

Santos, 20, was serving time for terroristic threatening. His sentence was to have ended in June 2015.

He is described as 5 feet 5 inches tall, weighing 115 pounds with brown hair and brown eyes.

Anyone with information about Santos’s whereabouts is asked to call 911.