Investigation into Kaşif Kozinoğlu's death reopens with focus on 'Esmer Melek' informant

An investigation into the suspicious death of former intelligence officer Kaşif Kozinoğlu in Silivri Prison has been reopened. Authorities are searching for an informant using the pseudonym 'Esmer Melek' (Dark Angel) whose emails to Kozinoğlu's family lawyer suggested his death was not from a heart attack.