Chief of staff at the Turkish navy vice admiral Veysel Kösele has been arrested as part of a military espionage probe, according to Hurriyet Daily News.

Vice admiral Kösele and some other admirals arrived Saturday, Sept 15, at an İzmir prosecutor’s office to testify in an ongoing army spying case.

After questioning, prosecutor directed Admiral Kösele and one lieutenant to a court, requesting they arrest. The request was satisfied.

The investigation against the spying gang started in 2009 after allegations arose that the gang reportedly targeted active-duty officers with knowledge of details about warcraft radar location. The suspects are also charged with listening to private phone conversations and spying on some officer’s bedrooms through cameras and blackmailing them. In the operation, 93 people including 59 active-duty-soldiers have already been detained.