Ten former prison guards have been indicted in the killing of Robert Brooks, a prisoner who was incarcerated at the Marcy Correctional Facility in Marcy, New York.

"Let me begin by expressing my deepest sympathies the family of Robert Brooks, who was tragically and senselessly murdered at Marcy Correctional Facility."

Six correction officers involved in the deadly beating of an inmate at the Marcy Correctional Facility have been charged with murder, according to an indictment obtained by NewsChannel 9. 43-year-old Robert Brooks died about six hours after the attack in an infirmary room of the prison.

A Manhattan area Democratic Assemblyman observed conditions at Marcy Correctional Facility by staying overnight at the facility, got into a heated exchange with a sergeant and caused a dangerous situation according to union members for the Corrections Officers.

The beating of Robert Brooks by multiple officers at Marcy Correctional Facility in December was caught on body-cameras, triggering widespread outrage and calls for justice.

The Onondaga County District Attorney announced Monday that he expects a "noteworthy development" in the investigation into the beating death of an inmate at the Marcy Correctional Facility.

On Thursday, indictments were announced against Marcy Correctional Facility staff in connection with the beating death of inmate Robert Brooks.

A sixth correctional officer has been arraigned on murder in the second degree in the fatal beating of David Brooks, who was an inmate at Marcy Correctional Fa

A sixth correction officer, Nicholas Kieffer, has been arraigned on murder and manslaughter charges for the fatal beating of inmate Robert Brooks at Marcy Correctional Facility. Kieffer, one of ten defendants indicted, turned himself in Monday after a scheduling delay.

Officers from Marcy Correctional Facility protested working conditions, demanding an end to 16- to 24-hour shifts that sometimes stretch back-to-back.

A total of nine corrections officers were taken into custody Thursday in the beating death of Marcy Correctional Facility inmate Robert L. Brooks, facing charges of murder, manslaughter, gang assault and more.