"Excited delirium" perpetuates racial stereotypes and justifies police brutality. A new study bolsters efforts to discredit it.

Police officers on patrol spend more time in predominantly Black and Hispanic neighborhoods, a new study shows.

New research gauges how people in structural disadvantaged communities feel about police responding to mental health crises.

Programs aimed to reduce the risk of repeat overdoses among people who use drugs have a "police paradox," research shows.

There's little evidence that military policing in Colombia improves public safety, research finds.

Law enforcement investigators and detectives who are tired have a harder time collecting information that could bring justice to victims.

Researchers have created a new model to get first responders like police and EMTs to the scene of traffic accidents faster.

"Our findings suggest that diversity training as it is currently practiced is unlikely to change police behavior."

Researchers examined close to 100,000 crime-related posts from 14,000 police Facebook pages to find disproportionate sharing of Black suspects.

Mandating at least an associate degree for entry-level officers could lower the number of Black people killed by police by up to three times.