Timothy is handicapped and missing.

Timothy Scott Parry

He was 19 when he walked from his home in Cedar City, Utah on July 17th, 1989 and disappeared.

He has several conditions, including epilepsy, Angelman's Syndrome or happy puppet syndrome.
Timothy has brain damage that causes him to be un-balanced. 
When frightened he will scream and shake his hands.
His face peels under his eyes and he has porferia, an allergy to the sun. 
He has scars on both of his hands.
He may suffer from memory loss.
At the time he went missing he was 5'4" tall, 100 lbs with black hair and hazel eyes.