The murder of George Floyd

Explainer: Why 'excited delirium' came up at the Chauvin trial

A woman sits behind a desk.
Minneapolis police officer Nicole Mackenzie, the medical support coordinator for the department, which trains officers in first aid, answers questions during the trial of ex-officer Derek Chauvin on April 6. Defense attorney Eric Nelson asked Mackenzie what excited delirium is and how officers are trained to recognize and respond to it.
Screenshot of Court TV video