By Edith Loyola 
The Secretariat of Citizen Security (SSC) of Mexico City recently confirmed that two individuals affected by syringe attacks in the Metro tested positive for narcotics following toxicological exams, raising alarm across the capital.
So far this month, over 20 “needle prick” incidents have been reported within the Collective Transport System (STC). This situation has prompted authorities to strengthen surveillance operations at the busiest stations, aiming to deter further attacks and provide immediate assistance to potential victims.
“Efforts to encourage formal complaints from affected users have intensified. We urge anyone who is a victim or witness to file a report to support the investigations,” stated SSC Chief Pablo Vázquez.
To date, 15 toxicological tests have been conducted, with two yielding positive results for unspecified substances.
Simultaneously, the Office of the Attorney General of Mexico City continues to assess the cases to further the investigation and determine the specific types of drugs involved.
What Are “Needle Pricks” and How Do the Attackers Operate?
These attacks consist of quick stabs with hypodermic needles, allegedly laced with chemical compounds. According to testimonies, the assaults occur both inside train cars and within the stations.
“The affected population is mixed, both in terms of gender and age. The reported injury locations vary: ankles, between fingers, lower back. Some present visible wounds; others do not,” explained Vázquez.
He also mentioned that no clear pattern has been identified in the attacks, though all reported incidents involve syringes.
Stations With the Most Reports
According to the information released, incidents are concentrated across several lines and stations, notably:
- Line 2: Bellas Artes and Allende
- Line 3: Viveros and Indios Verdes
- Line 7: Polanco
For example, at Viveros station, a young man reported feeling unwell after being pricked in the hand, and in Polanco, a young man named Miguel reported an attempted robbery following a syringe attack.
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Action Protocol and Recommendations
In response, the SSC has implemented a special protocol to assist victims:
- In the event of a needle prick, activate the emergency lever.
- Immediately seek assistance from security personnel.
- Send your location to family members or emergency contacts.
- Avoid transferring to another line and wait for specialized medical care.
Members of the Medical Emergency and Rescue Squad (ERUM) are trained to attend to victims within the Metro system.
Symptom Analysis and Possible Substances
Affected individuals reported symptoms such as anxiety, nausea, drowsiness, fatigue, intense thirst, and memory gaps. Although the exact substances have not been confirmed, speculation points to the possible presence of fentanyl, propofol, or ketamine.
“Analyses are still underway based on studies conducted on victims of the ‘needle pricks’,” clarified Clara Brugada, Mexico City’s Head of Government.
Additionally, the Mexico City Congress has urged authorities to launch widespread prevention and care campaigns in Metro and Metrobús facilities.
A Persistent Threat
Finally, it is worth noting that similar incidents have been reported since last year—for instance, Brenda, a young woman who claimed she felt a puncture as she exited Indios Verdes station. More recently, on April 25, the STC activated a risk protocol after assisting a female passenger on Line 2.