
Foreigners facing a criminal investigation in Turkey may encounter police questioning, detention, arrest, fraud allegations, phone seizure, bank account freezes or international warrants. Learn the key defense steps and rights in 2026.
A foreign national who becomes involved in a criminal investigation in Turkey can face several problems simultaneously: unfamiliar criminal procedure, inability to understand Turkish documents, police questioning, seizure of a telephone or passport, freezing of bank accounts, restrictions on travel and uncertainty about whether the person will be detained or arrested. In international cases, the situation may also involve foreign bank transfers, cryptocurrency transactions, companies, consulates, extradition requests or international police cooperation. For this reason, obtaining assistance from a criminal lawyer for foreigners in Turkey at the earliest stage can be particularly important.
Under Turkish criminal procedure, being investigated does not mean that a person is guilty. The investigation must establish the relevant facts and collect evidence. The public prosecutor is responsible for investigating evidence both for and against the suspect and protecting the suspect’s rights. A foreign suspect should therefore avoid treating the first police contact as an informal conversation. Statements, documents and digital evidence obtained during the early stages can influence the entire criminal case.
The first priority is to determine the person’s procedural status and why the police are contacting them. A foreign national may be contacted as a suspect, witness, complainant or victim, or may be subject to an existing summons or arrest order.
The person should determine which police department, prosecutor’s office or court is involved and, where possible, obtain the investigation or case information necessary for a lawyer to examine the situation.
A foreigner should not attempt to resolve a serious criminal allegation by giving lengthy informal explanations without understanding the accusation.
There can be several reasons why the police are looking for a foreign national. The person may be required to provide a statement, an existing investigation may require procedural action, or a judicial authority may have issued an arrest order.
Under the Criminal Procedure Code, an arrest order may be issued in certain circumstances, including where a suspect does not respond to a summons or cannot be summoned. The applicable provision also requires the arrest order to identify the alleged offence and where the arrested person is to be taken.
A criminal defense lawyer can examine the available judicial records and determine what procedural action is required instead of allowing the foreign national to act on assumptions.
Turkish police have statutory powers to stop persons in specified circumstances where the required legal grounds exist and may request identification. The legislation requires a reasonable reason for exercising the stopping power and prohibits its use in a manner creating an arbitrary or continuously imposed situation.
Foreign nationals should therefore distinguish an identification check from arrest, detention or formal criminal questioning.
A person brought to a police station should determine immediately whether they are free to leave or have formally been arrested or detained.
If an arrest has occurred, the arrest record must identify matters including the alleged offence, circumstances, place and time of arrest and confirmation that the person’s rights were explained.
The foreign national should request an interpreter where necessary and should avoid signing documents they do not understand.
Language is one of the most significant procedural issues in criminal cases involving foreigners.
The Criminal Procedure Code provides for an interpreter where a suspect, defendant, victim or witness cannot sufficiently communicate in Turkish, including during the investigation stage. At that stage, the interpreter is appointed by the judge or public prosecutor.
A foreign suspect should therefore not simply accept questioning in a language they only partly understand.
A foreign suspect should distinguish the official interpreter required for criminal proceedings from a privately retained translator used for other purposes. Where the Criminal Procedure Code requires official interpretation so that the suspect can understand and participate effectively in the proceedings, the statutory interpreter mechanism applies.
The European Court of Human Rights has also addressed the importance of interpretation during police questioning in a case against Turkey, emphasizing the relationship between understanding questioning and effectively exercising defense rights.
An inaccurate translation can fundamentally change the meaning of a statement. Words concerning knowledge, intention, ownership, payment, authorization or participation can be particularly important in fraud, money laundering and financial-crime investigations.
If the foreign suspect believes that the interpreter incorrectly translated a question or answer, the issue should be raised immediately and recorded before signing the statement.
Where the problem is discovered later, the defense should identify the exact disputed passages and explain what was actually said.
A foreign national should not sign a statement merely because the police procedure appears routine.
Before signing, the person should ensure that they understand the accusation, questions, recorded answers and any additional documents presented for signature.
The written record should reflect what the suspect actually said.
If the document contains an incorrect answer, mistranslation or statement the suspect never made, the issue should be corrected before signature where procedurally possible.
The precise legal position depends on the person’s status, alleged offence and applicable procedural rules. From a defense perspective, however, giving a detailed statement without understanding the file can create substantial risk.
The first statement can influence subsequent prosecutorial questioning, detention decisions, arrest proceedings and the interpretation of later evidence.
A suspect is not required to construct the prosecution’s case against themselves. Before answering substantive questions, the foreign suspect should understand the allegation and exercise procedural rights appropriately.
Silence should not be confused with providing false information. A suspect should never fabricate a story or create false documents in an attempt to avoid an investigation.
Digital-device investigations require particular care. A request concerning a password can raise issues involving the legal basis of the search or examination, scope of the investigation, privilege, personal data and access to information unrelated to the alleged offence.
A foreign suspect should obtain legal advice before voluntarily providing access to extensive digital information when the legal basis and scope of the request are unclear.
Mobile phones can contain messages, photographs, emails, banking applications, cryptocurrency information, location data and corporate communications.
The defense should determine the legal basis of the seizure and subsequent digital examination and preserve objections concerning unlawful or excessive evidence collection where appropriate.
WhatsApp evidence frequently appears in Turkish fraud and financial-crime investigations. A screenshot should not automatically be treated as equivalent to a complete forensic record.
The defense may need to examine authenticity, completeness, context, metadata, device ownership and whether messages have been selectively presented.
Searches of residences are subject to procedural safeguards. Under Article 119 of the Criminal Procedure Code, a search of a residence, workplace or other non-public enclosed location requires a judicial decision or, in urgent circumstances specified by law, a written order of the public prosecutor.
The defense should obtain and examine the search decision or order and compare its scope with the search actually performed.
The answer cannot be reduced to a universal yes or no because Turkish law recognizes legally defined exceptional circumstances. However, an ordinary residential search is subject to the authorization requirements contained in the Criminal Procedure Code.
Where evidence was obtained through an allegedly unlawful search, the legality of the procedure and admissibility of the resulting evidence should be examined.
The defense should obtain the search record and identify who was present, what was seized, where each item was allegedly found and whether the procedural requirements governing the search were followed.
The mere fact that the suspect was absent does not by itself answer whether the search was lawful.
Foreign tourists and business travelers may face investigations arising from incidents at hotels. Whether a search was lawful depends on the legal circumstances and authorization applicable to the search.
The defense should examine the search record, authorization and chain of custody for any evidence allegedly discovered.
Cash can be seized where authorities consider it relevant to an investigation, including financial-crime cases. The defense should establish the amount seized, currency, ownership, source and legal basis for continued retention.
Evidence may include bank withdrawal records, business records, contracts, invoices, currency-exchange documents or other legitimate source-of-funds information.
Where jewelry, watches, precious metals or other valuable property is seized, ownership and connection with the alleged offence may become disputed.
The owner should preserve purchase invoices, photographs, inheritance records, bank payments, insurance records and other evidence capable of proving lawful ownership and source.
A vehicle may become relevant because authorities allege that it was used in an offence, represents criminal proceeds or constitutes evidence.
The defense should distinguish temporary evidentiary seizure from measures ultimately directed toward confiscation and should examine whether continued retention remains legally justified.
A foreign national whose passport is retained may be unable to travel, work internationally or comply with immigration requirements.
The defense should identify the precise legal basis for retention and determine whether a separate judicial travel restriction or other measure exists.
Return of the passport should be addressed through the appropriate authority rather than assuming that closure of one procedural step automatically results in immediate return.
A judicial travel restriction can have substantial consequences for foreign executives, investors, employees and tourists.
The defense should examine why the measure was imposed and whether circumstances justify requesting its lifting or modification.
Evidence concerning residence, employment, family, business obligations and cooperation with the investigation can become relevant depending on the case.
Arrest and pre-trial detention should be distinguished. A person may be arrested temporarily without ultimately being ordered into pre-trial detention.
Where a person is arrested under a judicial arrest order, Turkish criminal procedure contains specific requirements concerning presentation before the competent judicial authority.
A defense lawyer should prepare for the detention hearing by addressing the allegations as well as the legal grounds relied upon for continued detention.
Turkish criminal procedure specifically addresses foreigners who are arrested or detained. Unless the foreign national objects in writing, their situation is notified to the consulate of the state of nationality.
Consular assistance and criminal defense representation are different functions. A consulate does not replace a criminal defense lawyer.
Foreign nationals may become involved in fraud investigations arising from investment transactions, online sales, international trade, bank transfers, cryptocurrency, property transactions or business partnerships.
A commercial dispute does not automatically constitute criminal fraud. The investigation should examine the conduct and intention relevant to the alleged offence.
Investment losses can sometimes produce criminal complaints when a business relationship collapses.
The defense should reconstruct the transaction from the beginning: negotiations, contracts, payments, representations, company records, performance and communications.
The central issue may be whether there was fraudulent intent or a genuine commercial relationship that subsequently failed.
A foreign national may face investigation because money connected with fraud entered their bank account.
Receiving money is an important factual circumstance, but the defense should investigate knowledge, control over the account, communications with the sender, onward transfers, economic purpose and whether the account holder knowingly participated in criminal activity.
Allowing another person to control a bank account can create serious evidentiary problems if criminal proceeds pass through it.
The defense should identify who actually controlled the account, devices, banking credentials and transactions and why access was provided.
Crypto cases can involve exchange records, wallet addresses, blockchain transactions and communications between multiple countries.
A wallet transfer alone does not necessarily explain the identity, knowledge or intention of every participant.
Digital and financial evidence should be analyzed together.
Where authorities suspect that property represents proceeds of crime, the investigation may extend beyond the alleged underlying offence to the movement, conversion or concealment of assets.
Foreign investors should be prepared to document legitimate source of funds, commercial purpose, ownership structure and transaction history.
A frozen account can immediately affect salaries, suppliers, rent and ordinary business operations.
The defense should identify the authority responsible for the measure, legal basis, assets covered and connection alleged between the funds and criminal investigation.
A request for release may require detailed evidence establishing lawful source and ownership.
Where a criminal investigation concerns a shareholder, manager or director, the company should determine whether corporate assets are being treated separately from the individual’s property.
Corporate bank statements, accounting records, contracts, payroll records and shareholder transactions can become critical.
Depending on the measure and circumstances, the defense may evaluate whether continued restriction of all funds remains necessary and whether identifiable legitimate funds can be distinguished from disputed assets.
A transaction-by-transaction analysis is often stronger than a general assertion that all money is legitimate.
Foreign investors should immediately preserve evidence showing the source and destination of international transfers.
Relevant records can include investment agreements, shareholder resolutions, loan agreements, capital-contribution records, tax documents and foreign bank statements.
An anonymous report can lead authorities to examine an allegation. However, the existence of an allegation should not be confused with proof of guilt.
The Criminal Procedure Code provides that where an allegation is clearly not criminal without requiring investigation, or where a complaint is abstract and general in the circumstances covered by the provision, a decision not to investigate may be issued.
The evidentiary basis for subsequent intrusive measures should therefore be examined separately.
Where secret-witness evidence is involved, the defense should examine whether the allegation is supported by objective evidence.
The reliability, personal knowledge, consistency and corroboration of the witness account can become important.
A defense strategy should not focus solely on discovering the witness’s identity; it should test whether the accusation can withstand comparison with objective evidence.
A criminal case based heavily on one witness requires careful evidentiary analysis.
The defense should examine internal consistency, changes between statements, the witness’s ability to observe the alleged event, possible motive and compatibility with digital, financial, forensic and location evidence.
A changed statement does not automatically terminate the criminal proceedings.
The prosecutor or court may examine both versions together with the remaining evidence. The significance of the change depends on the offence and complete evidentiary record.
Withdrawal of an accusation does not necessarily end the case. Some offences are prosecuted independently of the complainant’s continuing wishes.
The defense should examine why the statement changed and whether any objective evidence remains.
Mistaken identity can occur because of similar names, incorrect passport information, telephone numbers, bank accounts, photographs or unreliable identification procedures.
The defense should gather objective evidence such as passport movements, travel records, workplace information, hotel records, financial transactions and digital evidence showing the person’s actual location or activity.
Video, telephone-location information and other digital evidence can sometimes support or contradict witness allegations.
Where potentially exculpatory evidence exists, preservation should be requested quickly because private CCTV systems and commercial records may be deleted after short retention periods.
Turkish criminal procedure requires the public prosecutor, upon learning of circumstances indicating that an offence may have occurred, to investigate whether a public prosecution should be initiated. The prosecutor is also responsible for collecting and preserving evidence both against and in favor of the suspect.
The defense should therefore actively identify exculpatory evidence rather than focusing only on answering the accusation.
Cases involving foreigners can extend beyond Turkey through international judicial cooperation.
Turkey’s Ministry of Justice states that international criminal cooperation can include obtaining statements, evidence, searches, seizures and other investigative measures through international cooperation mechanisms.
International cases therefore require coordination between Turkish criminal procedure and the foreign evidence involved.
A Red Notice should not automatically be treated as equivalent to a final criminal conviction.
Where international police cooperation is involved, the defense should determine the underlying foreign proceedings, arrest status, extradition risk and whether the international record accurately reflects the case.
Extradition cases require separate analysis from the domestic criminal investigation.
Issues can include treaty or statutory requirements, identity, double criminality, procedural safeguards and applicable human-rights considerations.
Documents, witness statements, banking records or digital evidence may be obtained from abroad through international judicial cooperation.
The defense should examine authenticity, translation, context and how the foreign evidence was obtained and incorporated into the Turkish proceedings.
Managers should not assume that every alleged corporate offence automatically creates personal criminal responsibility.
The investigation should determine the manager’s actual authority, knowledge, decisions and personal participation.
Corporate title alone should not replace individualized criminal analysis.
A foreign suspect should avoid deleting messages after learning of an investigation, creating retrospective documents, pressuring witnesses, moving disputed assets to conceal them, giving inconsistent explanations to different authorities or signing documents they do not understand.
Such actions can seriously complicate an otherwise defensible case.
Important evidence can include passports and travel records, contracts, invoices, bank statements, company accounting records, emails, complete message histories, telephone records, photographs, CCTV footage, hotel records, employment records, cryptocurrency transaction records and evidence showing legitimate source of funds.
Preservation should begin immediately.
The answer depends on the procedural status of the individual and whether any judicial restriction exists.
Leaving the country without understanding the case can complicate future proceedings, while remaining in Turkey without obtaining legal advice can also create avoidable risk.
The correct approach is to determine the status of the investigation and any existing judicial measures first.
Being outside Turkey does not necessarily prevent the investigation from continuing. Depending on the case, authorities may use international judicial cooperation or other procedures.
A foreign suspect abroad should obtain advice before travelling to Turkey if there is reason to believe an arrest order or significant criminal investigation exists.
When a foreign national learns that they are under criminal investigation, the immediate strategy should be to determine the investigating authority and alleged offence, establish whether an arrest order or travel restriction exists, obtain the relevant case information through lawful procedures, arrange legal representation, request an interpreter where necessary, preserve favorable evidence, avoid deleting digital records, review any search or seizure measures, trace frozen assets and prepare a coordinated statement strategy.
A foreign national can be subject to criminal procedure, but language rights remain important. Where the person cannot sufficiently communicate in Turkish, the Criminal Procedure Code provides for interpretation during relevant proceedings.
A suspect should determine and exercise the applicable defense rights before substantive questioning. Obtaining legal assistance early is particularly important where the person does not understand the Turkish criminal process.
Residential searches are subject to Article 119 of the Criminal Procedure Code, which provides for judicial authorization and a defined urgent-procedure exception involving a written prosecutor’s order.
A person should not confirm the accuracy of a document they cannot understand. Interpretation and correction of inaccuracies should be addressed before signature.
Financial restrictions may be imposed where the statutory requirements for the relevant measure are met. The defense should examine the legal basis, scope and relationship between the frozen funds and alleged offence.
No automatic conclusion should be drawn merely from receipt of funds. Knowledge, intent, control over the account, transaction purpose and other evidence require examination.
Depending on the legal basis for continued seizure and the evidentiary status of the property, return may potentially be requested before the entire case concludes.
The evidentiary value of a witness statement depends on the complete case. Reliability, consistency and corroborating or contradictory evidence should be examined rather than treating the number of witnesses as the sole test.
Under the Criminal Procedure Code, where an arrested or detained person is a foreign national, the consulate of their country is notified unless the person objects in writing.
Determine exactly why the person is wanted or investigated before giving detailed explanations, signing Turkish documents, surrendering digital information voluntarily or making decisions about international travel. Early access to the investigation and preservation of favorable evidence can materially affect the defense strategy.
Criminal proceedings involving foreigners can combine police statements, detention, arrest, searches, phone examinations, fraud allegations, bank account freezes, asset seizures, travel restrictions, international evidence, Interpol records and extradition issues. A case involving a foreign national therefore often requires both immediate criminal defense and careful management of the international consequences.
Fırat Fesih Kaya Law Office assists foreign nationals, foreign investors, international company executives and businesses facing criminal investigations and proceedings in Turkey. Lawyer Fırat Fesih Kaya provides legal assistance concerning police and prosecutor statements, detention and arrest proceedings, fraud and financial-crime investigations, digital evidence, searches and seizures, frozen bank accounts, return of property, international criminal cooperation and criminal proceedings involving foreign nationals.
Phone:
+90 312 434 22 22
Mobile:
+90 532 769 22 22
Email:
info@firatfesihkaya.av.tr
Address:
Mevlana Boulevard No:221, Yıldırım Tower, Office No:148, 06520 Balgat, Çankaya, Ankara, Turkey