Antonio Thomas was last seen on Sunday, Feb. 5, in New Haven County, the Milford Police Department reported on Friday, Dec. 11.
Police said Thomas was last seen at the Sunoco Gas Station, located at 322 Old Gate Lane in Milford.
Thomas is described as being 6-foot-2, with black hair and brown eyes. He was last seen wearing a brown leather jacket, jeans, and boots.
Authorities said Thomas has autism and is high-functioning.
Milford Police asked anyone with information about his whereabouts to call 203-878-6551.
Click here to follow Daily Voice Windham-Willimantic and receive free news updates.