On the second day of the Tet Offensive, Edward Thomas Adams and an NBC news crew heard gunfire. They followed the noise to a street corner where South Vietnamese soldiers were leading a handcuffed Viet Cong captive to Lt. Col. Nguyen Ngoc Loan, chief of the South Vietnamese National Police. Assuming the prisoner was about to be interrogated, Adams raised his camera to capture the moment. Instead, he took a picture of Lung shooting the prisoner in the head. (Adams later learned that the prisoner was a Viet Cong officer responsible for slaughtering an entire family.)
