The fatal 2019 arrest of unarmed Black motorist Ronald Greene and its aftermath demonstrated serious failures at Louisiana State Police like use of excessive force and breakdowns in accountability, the U.

A Black man died after a beating by the police in 2019. The assault “demonstrated serious failures,” the Justice Department said, including improper supervision.

The Louisiana State Police for years have used excessive force during arrests and vehicle pursuits, a statewide pattern of misconduct that places the public at “serious risk of harm,” according to a scathing report released Thursday by the U.