Ankara's chief prosecutor has indicted 54 people for allegedly belonging to a group attempting to overthrow the Turkish government, Anadolu Agency reported.
The indictment stated illegal wire-tapping was performed by an illegal "parallel state" movement in the police department.
The suspects were charged with suppressing people and groups who did not share the same views as them.
Chief Prosecutor Halil Mackaya said the suspects were accused of forgery of official documents, violation of confidentiality of communication, violation of privacy, recording of personal data and slander.