The Arizona Department of Corrections released final reports on the Yuma prison disturbance that happened in March .
According to the Arizona Department of Corrections, 600 inmates were involved. The inmates threw rocks, set fire to mattresses and other property, and broke into the prison health unit.
Since the incident, a team was appointed to conduct an assessment that included criminal and administrative investigations.
The team concluded that the disturbance was a spontaneous event that was triggered by inmates false perception of excessive force.
The reports also identified operational deficiencies.
The Assessment Team report also identified underlying operational deficiencies and other issues of concern that have resulted in swift corrective measures by the agency, including disciplinary action against several members of prison complex leadership. Two received a letter of reprimand, one was demoted, and another was relieved of his duties.
Investigators determined that six correctional officers intentionally destroyed inmate property after the disturbance. All six officer no longer work for ADC.
The intolerable actions of these former officers violate every facet of what it means to be a correctional officer and dishonor the positive daily efforts of thousands of honest and dedicated corrections professionals in Arizona, said Director Ryan. Such criminal behavior is utterly unacceptable, not to mention dangerous and jeopardizes the safety of our employees inside State prisons.