Manufacturing and Trafficking of Narcotic or Stimulant Substances under TCK Art. 188: Legal Analysis and Court of Cassation Case Law

Related guides: Drug Offences for Personal Use (TCK Art. 191) · Effective Remorse in Drug Offences (TCK Art. 192)

1. Introduction: The Strategic and Social Foundations of the Fight Against Drug Offences

Throughout human history, narcotic and stimulant substances have been used in medicine as painkillers and anaesthetics, or in various religious rituals to induce a state of trance. However, with industrialisation and modernisation, changes in the chemical formulas of these substances and their increased availability turned drugs from a medical aid into an instrument of global destruction. Today, drug trafficking is classed among the "abstract danger offences", which threaten not only individual health but also the social fabric of society, public safety and the economic stability of states. The illusion of pleasure and joy created by drug use soon gives way to physical and psychological dependence; this leaves the individual indifferent to the outside world, exhausted and cut off from social life. Data from the United Nations Office on Drugs and Crime (UNODC) clearly show that a large proportion of drug users struggle with infectious diseases such as HIV, Hepatitis C and Hepatitis B, and reveal the fatal consequences of high-dose use.

From a historical perspective, drugs have even paved the way for wars between states. The "Opium Wars" that broke out between Britain and China in the 19th century are the most striking example of how the drug trade has been used as an instrument of economic and political power. To protect the profits of its own merchants, Britain did not hesitate to use military force against China, which had banned the opium trade. Today, technological developments that have turned the world into a "global village" have made the logistics of drug trafficking easier and caused this crime to take on the structure of an international organisation.

Because of its geopolitical position, Türkiye is at a strategic crossroads within this global network. Poppy and cannabis derivatives grown in Asia, particularly along the Afghanistan-Pakistan line, are transported to the European market through Türkiye. Although our country was for many years described as a "transit country" in drug trafficking, in recent years, with increasing industrialisation, urbanisation and demographic change, it has become a "target and consumer country". This transformation has taken the fight against drug offences beyond a public-order operation and placed it at the centre of national security strategy. This multidimensional danger explains why the provisions in Article 188 of the Turkish Criminal Code (TCK) are so strict and comprehensive.

2. The Legal Interest Protected and the Subject Matter of the Offence

The fundamental legal interest protected by the offences created under TCK Art. 188 is "Public Health". In criminal law doctrine, these offences are regarded as "abstract danger offences", committed without any need for harm to occur. The legislator considered the supply of drugs to the market to be a sufficient danger to the general health of society and chose to punish it without waiting for the harmful result to occur. These offences also indirectly protect public safety, since it is an inevitable sociological reality that drug-dependent individuals turn to secondary crimes such as theft, snatching, robbery and even homicide to obtain drugs.

The Concept of a Narcotic Substance and Academic Classification

For legal analysis, the medical and biological effects of the substances that form the subject matter of the offence play a critical role in determining the legal characterisation of the offence. In the academic literature, substances are examined in four main groups according to their effects on the central nervous system:

• Central Nervous System Depressants: These include natural substances such as opium (poppy), morphine, heroin and codeine, as well as synthetic derivatives such as barbiturates and tranquillisers. Although these substances relieve pain and give the person temporary relief, they cause physical dependence very quickly. Heroin, as the most dangerous derivative of opium, is subject to the heaviest sanctions in this group.
• Central Nervous System Stimulants: The coca plant, cocaine, crack, amphetamines, ecstasy and "speed" fall into this group. While they produce excessive self-confidence, euphoria and bursts of energy, they cause permanent damage to the body's cardiovascular system.
• Substances that Distort the Senses (Hallucinogens): These are substances such as hashish (Cannabis sativa), marijuana, LSD and mescaline. These substances, which destroy the perception of reality and lead to delusions, are among the groups most commonly seized in Türkiye, particularly in the form of hashish.
• Inhalants and Volatile Substances: Although substances such as Bally (contact adhesive), paint thinner and lighter gas do not directly constitute a "trafficking" offence under Article 188, their abuse poses a serious threat to public health.

TCK 188/7: Intermediate Chemicals and Precursors

In fighting drug production, it is essential to control not only the final product but also the "precursors" used in the production process. TCK 188/7 makes unlicensed trade in chemical substances such as acetic anhydride, which are used in manufacturing drugs and whose import/production is subject to official authorisation, a separate offence. This provision is the legal sign that the fight against the offence has been moved to the very start of the production line. Going beyond licences granted for medical use constitutes the element of "acting contrary to the licence" and establishes the offence.

3. Offences of Manufacturing, Importing and Exporting Drugs (TCK 188/1-2)

TCK 188/1 designates the "manufacture, import and export" of narcotic or stimulant substances as the basic forms of the offence carrying the heaviest sanctions. These acts form the most strategic links in the drug chain.

• Manufacture: By its academic definition, manufacture is the process of synthesising, combining or purifying a drug from raw materials or other substances by chemical means. For example, obtaining morphine from poppy, and heroin from morphine, is a typical act of manufacture. In doctrine, merely changing the physical form of a substance (such as pressing powdered hashish into slabs) is regarded not as manufacture but as trafficking. For the offence of manufacture to occur, technical equipment and a certain chemical transformation must have taken place.
• Import: This is bringing unlicensed drugs across the borders into the Republic of Türkiye. The offence is complete when the substance actually crosses the customs line or the border. In the offence of import, the offender does not have to pass through a customs gate; bringing the substance in at any point along the border is sufficient. "Lack of a licence" is the basic constituent element here.
• Export: This is taking a substance located in Türkiye out of the country. The attempt stage is particularly critical in the offence of export; the acts of execution are considered to have begun when the substance is prepared for exit from the customs area or transported towards the border.

The mental element of these offences is direct intent. It is sufficient for the offence that the offender knows the substance is a drug and has the will to manufacture, import or export it. At this stage, whether the offender has a "commercial purpose" is not an element required for the offence to be complete; the nature and quantity of the substance already legally presume that an act of this scale exceeds the limits of personal use.

4. Trafficking in Narcotic or Stimulant Substances: Sale, Supply and Other Acts (TCK 188/3)

TCK 188/3 covers a broad range of conduct aimed at preventing the transfer and spread of drugs within the country. This article defines an offence with "alternative acts". Carrying out any one of the acts of selling, offering for sale, giving to others, dispatching, transporting, storing, buying, accepting or possessing completes the offence.

The Distinction Between Sale and "Giving to Another"

One of the most debated issues in doctrine and practice is the difference between "sale" and "giving to another". While sale means the transfer of possession in return for payment, "giving to another" is the transfer of the substance free of charge or as a treat, without any profit motive. By subjecting both acts to the same sanction, the legislator aimed to prevent the spread of drugs regardless of whether it is commercial. At this point, even merely "sharing" drugs gives rise to heavy criminal sanctions under the trafficking offence.

The Line Between Personal Use and Intent to Traffic

The basic criterion determining whether an act falls under TCK 191 (use) or TCK 188/3 (trafficking) is "the offender's purpose". In making this distinction, the Court of Cassation relies on the following criteria:

• Quantity of the Substance: If the substance held by the offender exceeds the annual personal-use dose (there are generally different scientific limits for each substance), intent to traffic is presumed.
• Manner of Possession: Finding the substance in small packets (wraps) together with precision scales and packaging materials is the strongest evidence of trafficking.
• The Offender's Financial Situation: Finding drugs of high market value on a person with no income at all creates a presumption that they possessed the substance "for the purpose of selling it to others".

5. Aggravating Circumstances and Special Forms of the Offence

The legislator has regulated circumstances that increase the social harm of the offence and the offender's culpability under the heading "Aggravated Circumstances". These aggravations reinforce the deterrent function of criminal justice.

• Type of Substance (TCK 188/4): If the seized substance is heroin, cocaine, morphine or base morphine, the sentence is increased by half. These substances are regarded as "hard drugs", since their dependence thresholds are very low and their lethality rates very high.
• Protection of Social Areas (200-Metre Rule - TCK 188/4-b): Committing the offence within 200 metres of places such as schools, dormitories, hospitals, barracks or places of worship is an aggravating factor. From an academic perspective, this rule is criticised; it is argued that the 200-metre distance means that almost everywhere in large cities falls within its scope, and that the technical difficulties in measuring the distance undermine legal foreseeability. However, the legislator's aim here is to create a shield against dealers who see children and patients as a "market".
• The Offender's Professional Influence (TCK 188/8): If a physician, dentist, pharmacist, chemist or a person working in connection with these professions is involved in a drug offence, the sentence is increased by half. The value protected here is the trust society places in these professional groups. An offender who uses professional knowledge to poison society deserves greater condemnation.
• Organised Crime (TCK 188/5): Committing the offence within the activities of an organisation results in a sharply increased sentence. This provision is aimed at breaking the dominance of organised crime networks in the drug market.

6. The Institution of Effective Repentance (TCK 192)

Because drug offences are committed in a "closed circuit", gathering evidence is extremely difficult. For this reason, TCK 192 has developed a mechanism that pushes the offender to cooperate.

• TCK 192/1 (No Penalty): If, before the offence becomes known to the authorities, the offender reports the other accomplices and the location of the drugs, no penalty is imposed. This is the broadest incentive offered to prevent the offence.
• TCK 192/3 (Reduction of Sentence): These are confessions made after the offence has become known but before judgment is given. The most important criterion here is the "Usefulness of the Information". The information given by the offender must not be an abstract statement; it must actually serve to seize drugs or to catch other accomplices. For a courier who has been caught, giving a name that is already known is not enough to benefit from effective repentance; the information provided must have operational value.

Effective repentance is not a "right" of the offender but a "legal favour" that may be obtained in return for the service rendered to justice. The sincerity and timing of the information are the matters the court pays most attention to when exercising its discretion.

7. Analysis of Facts and Decisions in the Light of Court of Cassation Rulings

In drug offences, the Court of Cassation has developed settled criteria by combining the abstract text of the law with the reality of concrete cases.

The "Technical Equipment" Criterion in the Offence of Manufacture

Facts: In a search of the defendant's residence, a quantity of cannabis plant was seized together with acetic anhydride, heating devices and filtering apparatus used to change the chemical formula of the substance.

Court of Cassation's View: The high court did not consider the mere presence of raw material sufficient for the offence of manufacture; it examined whether the defendant's technical equipment was capable of "obtaining a new substance or purifying the existing substance ". The increase in the purity of the substance and the professional nature of the production tools make it necessary to classify the act as "manufacture", going beyond trafficking.

Decision Reference: Court of Cassation, 10th Criminal Chamber, dated 12.04.2012, E. 2011/15482, K. 2012/8154

The "Customs Line" and Possession in the Offence of Import

Facts: A lorry driver entered the customs area with a large quantity of heroin hidden in the tractor unit of his vehicle and was caught in a search carried out following a tip-off. The driver claimed that he was unaware of the packages and that he was not present when the vehicle was loaded.

Court of Cassation's View: In the offence of import, the offence is complete when the customs line is crossed. In response to the offender's defence, the Court of Cassation applies the principles of "the ordinary course of life" and "possession". It is not found credible that the person who is the driver of the vehicle, and who is obliged to check every part of it, was unaware of a large quantity of the substance in hidden compartments. The existence of intent is deemed proven by the quantity of the seized substance and the way it was concealed.

Decision Reference: Court of Cassation, 10th Criminal Chamber, dated 20.06.2011, E. 2010/4215, K. 2011/12300

"Variety and Quantity" in Distinguishing Trafficking from Use

Facts: In a search of the defendant's person and home, 50 grams of hashish, 10 ecstasy pills and 2 grams of cocaine were seized. The defendant argued that he was addicted to multiple substances and possessed them all for his own use.

Court of Cassation's View: The General Assembly of Criminal Chambers of the Court of Cassation attaches great importance to the "variety of substances" criterion in determining intent to traffic. A person's simultaneous possession of more than one type of drug, in particular high-value cocaine together with low-value hashish, and the way the substances are packaged, constitute a presumption of "commercial supply" that refutes the defence of personal use.

Decision Reference: Court of Cassation, General Assembly of Criminal Chambers, dated 22.05.2012, E. 2011/10-412, K. 2012/210

Aggravating Circumstances and the Importance of the Expert Report

Facts: Relying on a preliminary report that the white powder found in the defendant's vehicle was "cocaine", the first-instance court imposed a sentence with an increase under TCK 188/4.

Court of Cassation's View: For aggravating circumstances to apply, the type of substance must be determined scientifically and conclusively. The sentence cannot be increased on the basis of mere appearance or the defendant's statement until the type of substance (heroin, cocaine, etc.) has been established by a definitive report from the Council of Forensic Medicine (Adli Tıp Kurumu) or a Criminal Laboratory. This is a requirement of the principle of "legal certainty".

Decision Reference: Court of Cassation, 10th Criminal Chamber, dated 15.03.2011, E. 2009/18442, K. 2011/5243

8. Conclusion and General Assessment

Article 188 of the Turkish Criminal Code is the state's most powerful legal instrument in the fight against drugs. By carefully regulating every stage, from manufacture to import and from domestic trafficking to the control of intermediate chemicals, the Code has adopted a "zero tolerance" principle. Türkiye's key role on global drug routes and the fact that terrorist organisations feed on this market mean that prosecutions must be seen not merely as a "drug seizure" but as a "defence of the public". However, drug offences contain many grey areas, such as the limits of technical surveillance, the lawfulness of evidence, the accuracy of effective repentance statements and the distinction between trafficking and use.

This study has been prepared from an academic perspective to explain the legal framework of Offences of Manufacturing and Trafficking in Narcotic or Stimulant Substances under Article 188 of the Turkish Criminal Code: Legal Analysis and Court of Cassation Practice. In accordance with the Union of Turkish Bar Associations' Regulation on the Prohibition of Advertising, this text is for information purposes only and does not constitute legal advice or advertising.