Police leaders called the training “routine” when one recruit died and another was badly injured at their academy.

An influential group of law enforcement leaders is pushing police departments across the U.S. to change how officers use force when they subdue people and to improve training so they avoid “consistent blind spots” that have contributed to civilian deaths.

In hundreds of deaths where police used force meant to stop someone without killing them, officers violated well-known guidelines for safely restraining and subduing people multiple times, an Associated Press investigation found.

Over a decade, more than 1,000 people died after police subdued them through means not intended to be lethal, an investigation led by The Associated Press found.