Did you say CSI or AFOSI?
Airman 1st Class Justin Barajas, 71st Medical Group bioenvironmental engineering, and Senior Airman Brock Evans, 71st Logistics Readiness Squadron civil engineering readiness, practice taking and analyzing samples during training April 15 at Vance Air Force Base, Okla., on how to process a hazardous materials incident. The training was provided by an Air Force Office of Special Investigations crime scene investigator. (U.S. Air Force photo/Capt. Tony Wickman)