ROTC cadets say training kicked in after Old Dominion University shooter killed 'heroic' instructor

An Army ROTC instructor at Old Dominion University was killed by a gunman who entered a classroom and opened fire, with cadets crediting their training for their response. The instructor, Lt. Col. Brandon Shah, was described as a heroic figure who sacrificed his life to protect students, while cadets used medical and tactical skills to assist the wounded and confront the shooter.