Ten New York prison guards have been charged in connection with the fatal beating of a 22-year-old prison inmate, including two charged with murder.

A New York grand jury charged two prison guards with second-degree murder and eight others with related crimes, in the beating death of an inmate last month at a prison in Central New York, according to court papers unsealed on Wednesday.

Several guards are accused of severely beating Messiah Nantwi, a prisoner at the Mid-State Correctional Facility, sending him to a hospital where he died on March 1 “due to massive head trauma and numerous other injuries to his body,