The man who wasn’t there - scenario training
SCENE: Officer in room talking to bleeding victim. Shots fired from a fixed position down the hall to the left. Officer draws gun, runs into the hallway and TO THE RIGHT.
DEBRIEF: Officer described seeing a man run past the door after shots, prompting him to pursue in the wrong direction. No one had run past the door. Nothing had moved in the hall.
THE STRESS RESPONSE CORRUPTED THE OFFICER’S VISUAL INFORMATION, GIVING HIM UNRELIABLE INFORMATION ON WHICH TO TO BASE HIS ACTIONS.