Missing Person Profile as of March 23rd, 2017: (Based on fbi.gov flyer):
Date(s) of Birth Used: November 27, 1942 Place of Birth: Illinois, United States of America Hair: White Eyes: Hazel Height: 5'9" (180 cm) Weight: 170 pounds (77kg) Sex: Male Race: White Occupation: Freelance Author Nationality: American Languages: English, Pashto, German Remarks: Overby suffers from an inner-ear canal ailment that requires treatment and medicine. TIPS: If you have any information concerning this person, please contact your local FBI office or the nearest American Embassy or Consulate. (Tips can also be submitted electronically to the FBI at https://tips.fbi.gov)
From the fbi.gov website:
Paul Edwin Overby, Jr. was last seen in Khost City, Afghanistan, in mid-May of 2014, while conducting research in furtherance of a new self-authored book.