Evidence categories
BDDK and banking records
Reports from the banking regulator (BDDK) revealed the scale of the fictitious transit trade routed through Halkbank. Internal communications, transfer instructions, and falsified export documents entered the file.
Digital evidence
Reza Zarrab's ledgers (with accounting codes such as CAG A/C 100658 and BRS 100753); communication and email archives; payment lists; internal spreadsheets.
Physical evidence — cash and assets
$4.5M cash found at Halkbank CEO Süleyman Aslan's home; the piano and jewelry allegedly delivered to Zafer Çağlayan; various valuable assets.
Communication transcripts
Transcripts from the 48 wiretap orders under CMK art.135; conversations among ministers' sons, Zarrab and intermediaries.
Surveillance logs
Long-running physical surveillance including the August 30, 2013 courier intercept; airport records; courier routes.
U.S. case confirmation
In the Hakan Atilla case at the Southern District of New York, Zarrab's testimony as a prosecution witness point-by-point confirmed the December 17 findings.