AC

Refuting the Expert Report in Criminal Defense: Practical Questions

TL;DR

Bilirkişi raporu = davanın yarısı. Sertifikasız bilirkişi, eksik methodology, hash kırığı = iptal.

16 Şubat 2026 Criminal law 1 dk okuma 8 görüntülenme Son güncelleme: 10 Mayıs 2026

An uncertified + expert report with incomplete methodology can be easily refuted.

Certificate check

  • CHFI, EnCE, GCFE, CCE, OSCP.
  • If uncertified, qualification is questionable.

Methodology control

  • Version of the tool used (FTK, Encase).
  • Is the hash chain complete?
  • Has RAM analysis been done?

Mathematical error

  • The statistics may be hidden.
  • Correlation = error of cause.
  • False positive rate.

Frequently asked

How is the parallel expert report?

The defense requests; If the court rejects, Constitutional Court remedy.

Expert cross-examination in court?

Yes; methodology + alternative interpretation is asked.

Notification in case of reporting errors?

Judge + prosecutor's office + expert professional discipline.

Relevant legislation

  • TCK art.243 — Entering the information system (1-3 years + criminal money).
  • TCK Article 244 — Preventing/disrupting system operation (1-5 years).
  • TCK art.245 — Bank/credit card fraud (3-6 years).
  • TCK art.158/1-f — Qualified fraud when the information system/bank/credit institution is the tool (3-10 years).
  • CMK article 134 — Computer search, copying, seizure.
Legal notice: This article is for general information purposes; A meeting with a lawyer is required for a concrete case.

Kaynaklar ve referanslar

Kaynaklar

Cezai Savunmada Bilirkişi Raporunu Çürütmek: Pratik Sorular içeriği hazırlanırken resmi mevzuat ve yüksek yargı kaynakları esas alınmıştır.

Telif bildirimi This content and all related Q&A texts are protected under Turkish Copyright Law No. 5846. Unauthorized copying, reproduction, publication, adaptation, bulk extraction, or commercial use is prohibited; legal and criminal remedies are reserved in case of infringement.

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