lawn care or vehicle maintenance. In addition, inmates of all confinement statuses may participate in mental health and medical "groups". Church services are held at the center, and the protective custody unit has its own inmate choir. Recent assaults In January 2013, an officer working in the Protective Custody unit of Pontiac CC was attacked and severely injured by an inmate; the officer was hospitalized. The inmate was convicted on charges of aggravated battery and sentenced to 20 years in state prison. This sentence is running concurrent to the 85-year sentence which the inmate had earlier received for armed robbery and murder in Cook County. In March 2015, officers received a tip that an inmate in the North Cellhouse had a homemade weapon in his cell and had threatened to use it against staff. The prison's Tactical Team was mobilized after the inmate refused to comply with orders to put on restraints for a cell search. When the team entered the cell and attempted to restrain the inmate, he stabbed 3 officers multiple times on the hands, arms, and legs. The officers were treated at an outside hospital for non-life-threatening injuries. In the summer of 2016, an officer was escorting an inmate to a new cell in the East Cellhouse. The inmate had justbeen released from segregation status to general population. When the officer went to key open the cell door to let the inmate in, the inmate attacked him, punching him in the face. Tower officers alerted other staff, who subdued the inmate. The officer was transported to a local hospital and treated for his injuries. On August 21, 2016, an inmate punched a correctional lieutenant, starting a fight that involved six employees and five inmates. It resulted in four correctional officers (2 male, 2 female) and two lieutenants (1 female, 1 male) being treated for injuries, including possible concussions. According to Joe Lewis, a correctional officer and union official at the Pontiac facility, other inmate violence against employees was occurring. He said that the prison administration was ignoring policies to keep workers safe, or substituting ineffective practices. Illinois Department of Corrections spokeswoman Nicole Wilson disputed Lewis's statement, saying,"The events that led to this incident do not appear to be the result of a lack of policy or a breakdown in existing policies but rather a failure to follow workplace safety procedures already in place, DOC's investigation will include