Body-worn camera footage released Friday shows correctional officers at the Marcy Correctional Facility in upstate New York punching and kicking a handcuffed inmate in a fatal beating that is now under investigation by the New York attorney general.

Brutal body camera footage shows a handcuffed inmate being beaten unconscious by prison guards before he’s stripped down to his underwear — a fatal attack that’s now under investigation by New York’s top prosecutor.

Newly released video of a fatal New York prison beating shows correctional officers repeatedly pummeling a handcuffed inmate, striking him in the chest with a shoe, and lifting him by the neck and dropping him.