Above: Markham, circa 1982
Vital Statistics at Time of Disappearance
Vital Statistics at Time of Disappearance
Missing Since: July 12, 1983 from West Palm Beach, Florida Classification: Endangered Missing Date Of Birth: May 20, 1933 Age: 50 years old Height and Weight: 6'2, 220 pounds Distinguishing Characteristics: Caucasian male. Brown hair, hazel eyes.
Details of Disappearance
Markham was last seen flying out of Palm Beach International Airport in West Palm Beach, Florida on July 12, 1983. He was en route to Atlanta, Georgia, but never arrived there. He has never been heard from again. Markham flew for the Central Intelligence Agency from 1965 to 1975, and flew freelance after he returned to the United States. His wife described him as a daredevil who would be willing to fly anyone anywhere if he were paid. Foul play is suspected in his case, which remains unsolved.
Investigating Agency
Source Information
Updated 1 time since October 12, 2004.
Last updated January 11, 2010; name and details of disappearance updated.
If you have any information concerning this case, please contact:
Palm Beach County Sheriff's Office
800-458-8477
Florida Department of Law Enforcement
The Doe Network
The South Florida Sun-Sentinel