Derek Chauvin used his body weight to pin George Floyd`s neck and never moved, use-of-force expert says
(Washington Post National)

The pressure of Chauvin`s body weight — estimated by another witness to be about 140 pounds along with 40 pounds of police equipment including body armor — would have put Floyd at risk of “positional asphyxia,” a known danger that is mentioned in most police training, expert Jody Stiger said.