Before allegedly participating in the beating of Robert Brooks, these officers were accused of involvement in prior cases

Three of the officers involved in a fatal beating of Robert Brooks, a handcuffed inmate at the Marcy Correctional Facility upstate New York, were previously accused of abuse and assault, according to court documents obtained by CNN.

​ Three of the officers involved in a fatal beating of Robert Brooks, a handcuffed inmate at the Marcy Correctional Facility upstate New York, were previously accused of abuse and assault, according to court documents obtained by CNN. Read More Breaking News, Latest News and Videos | CNN