Updated: Apr. 8, 2021 at 10:00 PM EDT
|By AMY FORLITI, STEVE KARNOWSKI and TAMMY WEBBER
Floyd’s breathing while he was being held down by Chauvin and two other officers was too shallow to take in enough oxygen, which in turn damaged his brain and caused his heart to stop, said Dr. Martin Tobin, a lung and critical care specialist at the Edward Hines, Jr. VA Hospital and Loyola University’s medical school in Chicago.