OSI’s first Korean War espionage investigation
On June 2, 1953, a court-martial hearing began at Taegu Air Base in South Korea. The defendant, Air Force Staff Sgt. Giuseppe Cascio, pictured as a lieutenant in 1943, was accused of attempting to conspire and sell military secrets the enemy. This was the first known case of an American to be accused of committing espionage during the Korean War. (U.S. Air Force photo)