Justice Department opens probe into Louisiana State Police

FILE - In this Friday, May 13, 2019 image from Louisiana State Police Trooper Jacob Brown's body camera video, troopers hold down motorist Aaron Larry Bowman during a traffic stop. The graphic video kept secret for more than two years shows a trooper pummeling Bowman 18 times with a flashlight, an attack the trooper defended as "pain compliance." (Trooper Jacob Brown/Louisiana State Police via AP, File)

Justice Department opens probe into Louisiana State Police