Saygılı, Yasin Topçu and Kazım Aksoy were taken on a Friday from prison to the Financial Crimes Branch Directorate on Vatan Avenue in İstanbul and later returned to prison.
The questioning focused on a document allegedly introduced into the case in which Hakan Atilla, then a deputy general manager of Halkbank, was tried in the United States in connection with the Iran sanctions-evasion case involving Turkish-Iranian businessman Reza Zarrab.
Authorities also questioned Saygılı about his alleged relationship with Metin Topuz, a staff member at the US Consulate General in İstanbul.
The questioning further covered the so-called “December 17-25 frame-up” cases before İstanbul’s 13th and 14th High Criminal Courts, in which Saygılı was a defendant.
The December 17-25 investigations refer to the 2013 corruption probes that implicated senior government figures and businesspeople close to then-prime minister Recep Tayyip Erdoğan. The government later described the investigations as a plot against it.
Saygılı was one of the police officials associated with the 2013 corruption investigations and was later prosecuted after the government moved against police officers, prosecutors and judges involved in those cases.
