In the Gülistan Doku investigation, family lawyer Ali Çimen said the file includes messages between former Tunceli Governor Tuncay Sonel and detained suspect Gökhan Ertok on 300 kilograms of heroin and property worth 400 million lira.
Lawyer Ali Çimen shared WhatsApp messages from the Erzurum Chief Public Prosecutor's Office investigation file numbered 2026/7052. The messages reportedly show Ertok saying, "There is a murder, 300 kilos of heroin, property worth 400 million," and Sonel replying, "I will take care of it tomorrow."