Several officers faced trial and one was convicted in August 2007.
"He depicted what an officer faces on a daily basis."
Each officer faces a maximum of 15 years in prison.
If convicted, the officer could face two years in prison.
The officers could also face administrative charges within the department.
The unknown officer turned away from the window and faced them.
The authorities said this month that no individual officers would face criminal charges.
As a result, four generals, and five other officers, will face disciplinary action.
Another officer is facing Federal charges, also in a separate case.
The officers had faced sentences of up to 10 years each.