Last reviewed: 29 September 2026. Investigation and prosecution are distinct stages of Turkish criminal procedure. A complaint or allegation against a person does not mean that the person is guilty; the presumption of innocence remains fundamental. Victims and persons harmed by an offence can also have procedural rights throughout the investigation and trial. The person’s procedural status, the alleged conduct, available evidence and procedural decisions should be examined together.
How does an investigation begin?
When the public prosecutor becomes aware of circumstances suggesting that an offence may have been committed, an investigation can be conducted to establish the material facts. Law-enforcement authorities generally act under prosecutorial directions. Statements, witness evidence, camera footage, digital material, expert examination, search and seizure can become relevant depending on the nature of the allegation.
Not every investigation results in an indictment. If the evidence does not create sufficient suspicion for prosecution, the prosecutor may issue a decision not to prosecute. If sufficient suspicion exists, an indictment can be prepared and the trial stage begins after the competent court accepts it.
What are the basic rights of suspects and defendants?
The Criminal Procedure Code provides safeguards including the right to understand the accusation, assistance of defence counsel, the right to remain silent and the right to request collection of concrete evidence in the person’s favour. These rights must be explained during formal questioning. Exercising the right to silence is not, by itself, evidence of guilt.
The law also identifies circumstances in which defence counsel is mandatory. The seriousness of the alleged offence, age and the person’s ability to defend themselves can bring mandatory-representation rules into play.
What rights do victims and complainants have?
A person harmed by an offence may have rights to submit evidence, challenge certain decisions, receive assistance from counsel and, when the legal requirements are met, participate in the prosecution. Complaint periods can be crucial for offences that depend on a complaint. Other offences are investigated ex officio and do not end merely because a complainant changes position.
When can pre-trial detention be ordered?
Detention is a preventive measure, not a punishment. Turkish law requires an assessment of concrete evidence indicating strong suspicion together with grounds such as flight risk, concealment or interference with evidence, and the principle of proportionality. The court should also consider whether judicial-control measures would be sufficient. The fact that an offence falls within a statutory catalogue does not mean that detention is automatic.
Detention orders can be challenged and are subject to periodic review mechanisms. Requests for release or continuation of detention should be assessed by reference to the concrete evidence, risk factors and proportionality at the relevant stage of the file.
What does “serious criminal court” mean?
The expression refers to the statutory jurisdiction of a criminal court rather than to a professional title or a guarantee about the seriousness of a defence service. Which offences are tried before a serious criminal court is determined by legislation. Penalty ranges, special statutory provisions and the type of offence can affect jurisdiction. Public perception of an offence is not enough to determine the competent court.
Why do digital records require careful analysis?
Phones, computers, messaging applications, social-media records and camera footage frequently become important in criminal files. Ownership, authenticity, integrity, method of acquisition and the need for technical examination should be considered. A screenshot or copied file does not necessarily prove the entire event without context.
What happens after an indictment is accepted?
Once the indictment is accepted, the prosecution stage begins. The court issues preliminary directions, sets a hearing and summons the relevant participants. Examination of the defendant, witness testimony, discussion of evidence and expert reports proceed according to the needs of the file. A conviction requires the charged offence to be proved by lawful evidence beyond reasonable doubt.
Which court in Izmir will hear the case?
Territorial jurisdiction in criminal procedure generally depends on the place where the offence was committed, with statutory supplementary rules for special situations. Residence in a particular district of Izmir does not by itself determine jurisdiction if the alleged offence occurred elsewhere. The location of the investigation and the court that ultimately conducts the trial may also require separate assessment.
What appeal routes are available?
Depending on the nature of the judgment, regional appellate review and, where legally available, review by the Court of Cassation can arise. Filing periods depend on the type of decision and the rules concerning pronouncement and service. Service of the reasoned judgment and the legal-remedy notice should therefore be monitored carefully.
Frequently asked questions
Does being called for a statement mean I am guilty?
No. A statement is part of the investigative process. Guilt is established only by a final court judgment.
Is detention automatic in every serious criminal case?
No. Statutory requirements must be assessed on the specific facts and detention remains a preventive measure subject to proportionality.
Does withdrawal of a complaint always end the case?
No. The result depends on whether the offence is complaint-dependent and on the stage and legal nature of the proceedings.
Legal framework: the Turkish Criminal Procedure Code, Turkish Penal Code and relevant special legislation. For general information, see the criminal law and serious criminal proceedings practice-area pages.