The Justice Department is launching a broad investigation into the practices of the Ferguson, Missouri, police department.
Authorities are searching for Eric Mathew Frein, the suspect in the ambush of two state police troopers.
California Highway Patrol officers recalled how they saved a driver who was trapped after a crash.
More than 2,000 people marked the one-year anniversary of the Navy Yard shootings.
Police Commissioner Bill Bratton said New York City has entered a "new era'' of potential terror threats.
A Pennsylvania state trooper who was injured when a gunman ambushed him and killed another trooper outside a police barracks is conscious and talking for the first time since he underwent surgery.
A fight broke out between Batman, Spider-Man and a third person, who the NYPD says heckled the superheroes.
Police continue to search for whoever killed one trooper and severely injured another outside a barracks.
Sheriff's deputies in Sinton, Texas fatally shot a man who rammed his truck into the front of a police station Monday and opened fire on the building.
The app is currently available for iPhone users on the Apple App Store: (https://itunes.apple.com/us/app/texas-dps/id902092368?mt=8) and for Android users on Google Play: (https://play.google.com/store/apps/details?id=com.microassist.texasdps&hl=en...
An officer with the Phoenix Police Department stepped in to help after thieves burglarized a woman's home five times.
A Guthrie County deputy said he is lucky to be alive after being attacked and assaulted while on duty.
An 8-year-old boy proved that no matter how old, anyone can make a difference, and help make the city safer.