Arnold Austin was 37 when he was last seen in Philadelphia on May 31, 2004. He is described as a Black man, between 5 feet 0 inches and 5 feet 4 inches tall, weighing about 140 to 145 pounds, with black hair and brown eyes.

A report to the Philadelphia Police Department was not filed until August 13, 2004, more than two months after he was last seen. The case was added to the National Missing and Unidentified Persons System on July 2, 2018 (case MP50857). The investigation remains open with the Philadelphia Police Department.

If anyone saw Arnold around late May 2004 or has information that could help locate him, please come forward to the Philadelphia Police Department.