William K. Tyler, also known as William Toby, was 59 when he flew from Chicago to Acapulco, Mexico, on December 3, 2003. He was confirmed to have boarded the outbound flight and arrived in Acapulco; at departure he was described as a white male, 64 inches tall, 130 pounds, with brown hair and blue eyes. He was scheduled to return on December 10 but did not board the return flight and was recorded by the airline as a no show.

The last confirmed contact with William occurred on December 2, 2003. Family and friends reported no further contact after he left for the trip. The Elwood Police Department opened an investigation, filing an official report in January 2004; the international location of his last confirmed presence complicated the inquiry. There have been no significant leads or public breakthroughs, and the reasons for his failure to return remain unknown.

If anyone was in Acapulco in early December 2003 or has information about William Tyler’s activities there, please come forward.