GLOBAL JOURNAL OF FORENSIC TOXICOLOGY AND CRIMINAL PHARMACOLOGY
Open Access Review Article  |  Volume 12  |  Issue 4  |  Pages 214 to 229

Devil's Breath: The World's Most Dangerous Drug and Other Chemical Submission Agents Used in Theft and Robbery

1. Introduction

 The covert administration of drugs to facilitate robbery and sexual assault is called chemical submission or drug facilitated crime. It has been documented for centuries. However the emergence of scopolamine as a weapon of choice among criminal organizations in Latin America has brought renewed urgency to this field. Media outlets have dubbed scopolamine the world's most dangerous drug. That label is sensational. Yet it reflects genuine concerns about its unique pharmacological profile and the difficulty of detecting its criminal use (European Parliament 2014).

A 2014 parliamentary question to the European Commission noted that a study in Bogotá Colombia found that 70 percent of patients admitted to hospital with burundanga intoxication had been drugged and robbed. Three percent had been drugged and sexually assaulted (European Parliament 2014). More recent statistics from Medellín reveal a sharp escalation. Reports of scopolamine facilitated theft increased by 89 percent in 2026. Cases rose from 227 in 2025 to 428 in 2026. That represents 201 additional victims in a single year (Alerta Paisa 2026). These figures underscore the pressing need for a comprehensive understanding of scopolamine and related agents from both pharmacological and criminological perspectives.

2. Scopolamine: Pharmacology and Mechanism of Action

2.1 Chemical Classification and Sources

Scopolamine also called L hyoscine is a tropane alkaloid and a nonselective muscarinic receptor antagonist. It is derived from plants of the Solanaceae family. These include nightshade (Atropa belladonna) jimsonweed (Datura stramonium) henbane (Hyoscyamus niger) and the Borrachero tree (Brugmansia species). The Borrachero tree is native to Colombia and other parts of South America. It is the primary source for the illicit form of the drug. Local communities call it burundanga (ScienceDirect overview).

The extracted powder contains not only scopolamine but also a synergistic mixture of other alkaloids. These include atropine and hyoscyamine. Together they produce a more toxic effect than scopolamine alone (ScienceDirect overview).

2.2 Pharmacological Mechanism

Scopolamine acts as a competitive inhibitor at postganglionic muscarinic receptor sites of the parasympathetic nervous system. By blocking acetylcholine at these receptors it produces a range of anticholinergic effects. The drug is well absorbed through most routes of administration including oral transdermal and inhalation routes (DailyMed).

In the central nervous system scopolamine blocks cholinergic transmission from the vestibular nuclei to higher centers and from the reticular formation to the vomiting center. This central action explains its therapeutic use in motion sickness. It also explains its criminal utility in producing amnesia confusion and impaired judgment (ScienceDirect overview).

Scopolamine shows a dose dependent biphasic effect. In therapeutic doses it typically causes drowsiness euphoria and amnesia. However the same doses can occasionally produce excitement restlessness hallucinations or delirium especially in the presence of pain. At the higher doses used by criminals these excitatory and hallucinatory effects dominate. Victims are left in a state of agitated compliance rather than sedation (SpringerPlus).

2.3 Clinical Manifestations of Intoxication

Acute scopolamine intoxication presents as a central anticholinergic toxidrome with pronounced neuropsychiatric and autonomic manifestations. A 2026 case report documented a 34 year old female presenting with delirium hallucinations psychomotor agitation dysarthria bilateral mydriasis with preserved light reflex sinus tachycardia and marked urinary retention after a social event. Routine toxicology screening was negative. Confirmation required gas chromatography mass spectrometry (Radeva-Ilieva et al. 2026).

The amnesia induced by scopolamine is particularly characteristic and forensically significant. Victims often have no recollection of events occurring under the drug's influence. This makes investigation and prosecution extremely difficult. As one case report noted the inability of the victim to recall much if anything of what actually occurred or even to identify who may have assaulted her is particularly common when drugs with a rapid onset such as Rohypnol or scopolamine are involved (SpringerPlus).

3. Scopolamine in Criminal Contexts

3.1 Methods of Administration

Criminal groups employ various methods to administer scopolamine to unsuspecting victims. According to NACADA Kenya criminals blow it in victims' faces make physical contact or engage in social greetings. These actions induce rapid submission and compliance (NACADA Kenya 2024). The drug can be incorporated into food drinks or even cigarettes. Its tasteless and odorless properties make detection by victims virtually impossible.

3.2 Criminal Applications

The primary criminal application of scopolamine is theft and robbery. Unlike conventional knock out drugs that render victims unconscious scopolamine produces a state in which victims remain mobile and responsive. Yet they are stripped of their free will. As NACADA Kenya explains victims find themselves carrying out the perpetrators' bidding often without recollection afterward. Victims under the influence of Devil's Breath willingly surrender belongings as if hosting a charity event in their backyard and obediently acquiesce to perpetrators' demands (NACADA Kenya 2024).

A documented case from Kenya illustrates this vividly. One victim willingly disclosed her mobile money PIN. She lost over 60 000 shillings from her account (NACADA Kenya 2024). In a more recent case from Colombia a Belgian tourist was drugged while on a date in Medellín. Upon waking he discovered his apartment ransacked. Approximately 40 000 euros in valuables were stolen including a Rolex watch valued at 30 000 euros. The suspect had spent approximately one hour and forty five minutes inside the apartment before leaving with the stolen goods (DH.be 2026).

Beyond theft scopolamine has been implicated in sexual assault human trafficking and even organ theft. In 2021 a British dancer named Adrian Murphy died after being given scopolamine. A teenage woman was later jailed for his murder (BBC News 2021). The drug's ability to induce compliance without resistance makes it particularly dangerous in these contexts.

3.3 Geographic Distribution and Trends

Scopolamine facilitated crime is most closely associated with Colombia. However the phenomenon has expanded globally. Reports have emerged from Kenya where numerous scopolamine related drugging cases were reported in 2022. This was particularly true in Isiolo County where traders fell victim and surrendered entire stocks to robbers (NACADA Kenya 2024). In Europe a 2014 parliamentary question raised concerns about the drug's presence. It noted that the drug is so readily available in South America and asked what measures the Commission was taking to prevent its spread within the European Union (European Parliament 2014).

4. Other Chemical Submission Agents Used in Theft

Scopolamine has captured media attention. Yet it is far from the only drug used in chemical submission. A range of pharmaceutical and illicit substances are employed. Each has distinct pharmacological profiles and criminal applications.

4.1 Flunitrazepam (Rohypnol)

Flunitrazepam marketed under the brand name Rohypnol is a benzodiazepine approximately ten times more potent than diazepam. It is sometimes called the forget pill or the date rape pill. These names reflect its disinhibiting amnestic and will annihilating properties.

A notable case series from Brussels documented 16 male Asian travellers who were surreptitiously intoxicated and robbed. The perpetrators offered welcome cookies laced with flunitrazepam to travellers at a railway station. Toxicology screening confirmed the presence of flunitrazepam at levels ranging from 21 to 75 micrograms per litre (ScienceDirect flunitrazepam).

Flunitrazepam is tasteless colourless and odourless. It can easily be mixed with any drink. It potentiates the effects of alcohol and cannabis. Effects begin within 30 minutes and peak after 1 to 2 hours. The drug is banned in the United States but remains available in approximately 60 countries (ScienceDirect flunitrazepam).

4.2 Gamma Hydroxybutyrate (GHB)

GHB also known as liquid ecstasy is a central nervous system depressant. It has been used clinically as an anaesthetic and hypnotic agent since the 1960s. It is frequently implicated in drug facilitated crimes especially in club and bar settings (INCB 2009).

GHB is particularly dangerous because it is rapidly metabolized and difficult to detect in toxicological screening. Its effects include euphoria drowsiness and amnesia. A 2026 case in New York documented over 100 GHB assisted robberies. Women working at bars dropped GHB into victims' drinks and robbed the unconscious men of luxury watches and other valuables (Pix11 2026).

4.3 Ketamine

Ketamine is a dissociative anaesthetic. It is increasingly used in chemical submission. Its dissociative effects block sensory brain signals and can cause memory loss. This makes victims vulnerable to theft and assault. Ketamine is particularly insidious because it is easily available through legitimate channels. It is not under international control. This makes it attractive to criminals seeking to avoid detection (INCB 2009).

A 2025 case in Belgium documented multiple instances of ketamine being added to drinks in a spiking case. Victims woke up the next morning unable to remember anything (Analytical Services International 2024).

4.4 Comparative Analysis

Table 1. Comparative pharmacological and forensic profile of common chemical submission agents.

5. Detection and Diagnosis

5.1 Clinical Challenges

The diagnosis of drug facilitated crime is fraught with difficulties. Standard urine toxicology screening often fails to detect scopolamine and other tropane alkaloids. Advanced analytical methods such as gas chromatography mass spectrometry are therefore necessary. A 2026 case report concluded that scopolamine intoxication should be considered in cases of acute anticholinergic syndrome with negative standard screening. Confirmation requires advanced analytical methods such as GC MS (Radeva-Ilieva et al. 2026).

The variable presentation of scopolamine intoxication further complicates diagnosis. Symptoms can range from agitation and hallucinations to somnolence and confusion. They may be mistaken for psychiatric disorders or voluntary substance abuse.

5.2 Forensic Considerations

Forensic toxicology remains central to the investigation of drug facilitated crime. A 2024 seminar on drug facilitated crime emphasized the importance of maintaining high analytical standards robust quality assurance and careful interpretation of findings in complex cases (Analytical Services International 2024). The seminar also highlighted the challenges of detecting low concentration substances and interpreting toxicological findings in the context of rapidly shifting drug markets.

6. Treatment and Antidotes

6.1 Physostigmine and Cholinesterase Inhibitors

Physostigmine is a reversible cholinesterase inhibitor that crosses the blood brain barrier. It has historically been considered the antidote of choice for scopolamine intoxication. A 1983 study of severe scopolamine intoxications concluded that physostigmine is an excellent antidote (Lauwers et al. 1983).

More recently galantamine a longer acting anticholinesterase agent has been investigated as an alternative. A 2026 case report documented successful treatment with intravenous galantamine. The patient showed progressive clinical improvement and complete recovery without sequelae. The authors noted that galantamine may represent a pharmacologically plausible alternative to physostigmine in settings where it is unavailable. However they also noted that evidence remains limited (Radeva-Ilieva et al. 2026).

Rivastigmine another cholinesterase inhibitor has also shown promise. A case report described successful resolution of psychosis in a patient with suspected scopolamine intoxication using transdermal rivastigmine (Wetzel et al. 2022).

6.2 Supportive Care

In the absence of specific antidotes supportive care remains the cornerstone of management. Benzodiazepines may be used to control agitation and seizures. Intravenous fluids and monitoring of vital signs are essential.

7. Prevention and Policy Implications

7.1 Individual Precautions

Travellers and nightlife patrons should exercise heightened vigilance regarding food and drink. The International Narcotics Control Board has recommended that industries develop formulations with safety features such as dyes and flavourings. These would alert possible victims to the contamination of their drinks (INCB 2009). However such measures are not yet widely implemented.

7.2 Law Enforcement and Forensic Capacity

The 2024 drug facilitated crime seminar emphasized that an effective response requires coordination across disciplines and a shared understanding of evidential standards (Analytical Services International 2024). Key recommendations included establishing forensic laboratories training enforcement personnel and using international intelligence sharing systems.

7.3 Regulatory Gaps

Scopolamine ketamine and GHB are not under international control. This creates regulatory gaps that criminals exploit. The INCB has noted that criminals also tend to use substances currently not under international control since they are easily available in legitimate channels (INCB 2009). Addressing this gap will require coordinated international action.

8. Conclusion

Scopolamine represents a uniquely dangerous weapon in the arsenal of chemical submission. Its capacity to induce compliant wakefulness rather than unconsciousness is combined with profound amnesia. This makes it a particularly insidious tool for robbery and assault. Media characterizations of scopolamine as the world's most dangerous drug may be hyperbolic. Yet the statistics from Colombia and elsewhere demonstrate that the threat is real and growing (Alerta Paisa 2026).

However scopolamine is not the only agent of concern. Flunitrazepam GHB and ketamine each pose distinct challenges for detection treatment and prevention. A comprehensive response must address the full spectrum of chemical submission agents. It must strengthen forensic and law enforcement capacity. It must also close regulatory gaps that allow criminals to exploit legitimate pharmaceutical channels.

The 2024 drug facilitated crime seminar concluded that continued professional dialogue and knowledge exchange were recognised as essential in ensuring that forensic practice keeps pace with an increasingly dynamic drug landscape (Analytical Services International 2024). As criminal methods evolve so too must our collective response.

References

1. European Parliament. (2014). Parliamentary question on the presence of burundanga in Europe. E 008271/2014.
2. Alerta Paisa. (2026). Alerta en Medellín: las denuncias por hurto con escopolamina se dispararon un 89 % este año. https://paisa.alerta.com.co/judiciales/medellin-aumento-hurtos-escopolamina-atraco-arma-fuego-247940
3. NACADA Kenya. (2024). The Devil's Breath: The Most Perilous Drug in The World? https://www.nacada.go.ke/devils-breath-most-perilous-drug-world
4. ScienceDirect. Scopolamine: an overview. https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/scopolamine
5. DailyMed. Scopolamine Hydrobromide Injection USP. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=b85b3ca0-89ce-44fe-b748-62e160e8c349
6. Radeva-Ilieva M. et al. (2026). Acute Anticholinergic Toxic Syndrome Due to Scopolamine Exposure: A Case Report with Possible Drug Facilitated Administration. European PMC. https://europepmc.org/article/MED/42346419
7. Peatfield R. & Villalón C.M. (2013). Headache after exposure to date rape drugs. SpringerPlus. https://pubmed.ncbi.nlm.nih.gov/23451337/
8. DH.be. (2026). Arnaque bien rodée 40 000 euros de perdus: un touriste belge drogué et dépouillé en Colombie lors d'un date. https://www.dhnet.be/actu/faits/2026/03/09/arnaque-bien-rodee-40-000-euros-de-perdus-un-touriste-belge-drogue-et-depouille-en-colombie-lors-dun-date-5PXIAGYDNZH7TC4IMPLECNOL2A/
9. BBC News. (2021). Adrian Murphy: Teenage woman jailed for dancer's devil's breath murder. https://www.bbc.com/news/uk-england-london-56565218
10. Ramadan A.S.E. et al. (2013). Chemical submission to commit robbery: A series of involuntary intoxications with flunitrazepam in Asian travellers in Brussels. Journal of Forensic and Legal Medicine. https://www.sciencedirect.com/science/article/abs/pii/S1752928X13001807
11. Pix11. (2026). NYC woman who offered sex pleads guilty to killing 3 men with fentanyl laced drugs. https://pix11.com/news/crime/nyc-women-who-offered-sex-pleads-guilty-to-killing-3-men-with-fentanyl-laced-drugs/
12. Analytical Services International. (2024). Addressing the Challenges of Drug Facilitated Crime. https://www.bioanalytics.co.uk/latest-news/asis-9th-seminar-drug-facilitated-crime/
13. Lauwers L.F. et al. (1983). Scopolamine intoxications. Intensive Care Med. https://pubmed.ncbi.nlm.nih.gov/6619397/
14. INCB. (2009). Report on the use of pharmaceutical products to facilitate sexual assault and other crimes. https://www.incb.org/documents/Publications/AnnualReports/AR2009/Chapter_II/AR_09_E_Chapter_II_Pharma_Products.pdf
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