For decades, police across the United States have been warned that the common tactic of handcuffing someone facedown could turn deadly if officers pin them on the ground with too much pressure or for ...

Add Yahoo as a preferred source to see more of our stories on Google. Instructor Dave Rose, right, watches as fellow instructor Enrico Solomon, top, demonstrates the basics of ground control on a ...

Yet AP found instructors at several state-certified training centers continue to teach — wrongly — that holding someone facedown doesn’t cause death by what’s known as positional asphyxia, which ...