13th FIS fights crime, protects Air Force assets
Air Force Office of Special Investigation 13th Field Investigations Squadron agents demonstrate a DNA sample search on a towel Aug. 11, 2016, at Ramstein Air Base, Germany. There are three fields of operations at the AFOSI: criminal investigation, fraud investigation and counter-intelligence investigation. (U.S. Air Force photo/ Airman 1st Class Joshua Magbanua)