They had been suspended as part of the Ayhan Bora Kaplan investigation: Police officers' homes searched

According to information obtained by T24, police teams arrived at the homes of Ankara Deputy Police Chief Murat Çelik, Organized Crime Branch Manager Kerem Öner, and his deputy Şevket Demircan—who had previously been suspended—as well as the personnel identified by secret witness Serdar Sertçelik as "Commissioner Ufuk," as part of an investigation launched by the Ankara Chief Public Prosecutor's Office. 

SEARCHES LAUNCHED UPON PROSECUTORIAL INSTRUCTION

Police officers from the Ankara Police Department's Counter-Terrorism Branch arrived at the homes of the police chiefs around 8:30 PM and began searches based on the prosecutor's instructions.

It was learned that the investigation leading to the home searches of the three police chiefs was conducted regarding the crimes of "agreement to commit a crime" under Article 316 of the Turkish Penal Code (TCK) titled "rebellion against the Government of the Republic of Turkey," "disclosure of information related to duty" under TCK Article 258, "attempt to influence a judicial officer, expert witness, or witness" under TCK Article 277, "harboring a criminal" under TCK Article 283, and "violation of confidentiality" under TCK Article 285. 

It was stated that the prosecutor's office has issued a restriction order on the case file.