The recent announcement by the US Treasury Department targeting three financial institutions in Mexico for their alleged involvement in laundering activities linked to synthetic opioid trafficking marks a significant shift in US efforts to combat fentanyl. It sheds light on the evolving landscape of US-Mexico security collaboration.
These sanctions are the first of their kind enacted under the “Dodge the Fentanyl Method,” signaling a more aggressive strategy aimed at crippling the financial channels that make organized crime lucrative. Yet, beneath the surface, there’s an underlying truth—if we truly intend to dismantle the financial networks of cartels, greater trust and coordination between the respective government agencies is crucial.
Money laundering is far more than a mere financial misdeed; it forms the foundation of drug trafficking organizations. Whether it’s acquiring fentanyl precursors from China or utilizing illicit cash through trade-based schemes, the ability to maneuver, conceal, and reinvest profits is vital for these criminal enterprises’ survival.
That’s why fostering robust bilateral relations in anti-money laundering initiatives between the US and Mexico is essential in combating organized crime.
Over the last two decades, the two nations have engaged in high-level security dialogues through joint task forces, focusing on regulatory integrity. However, recent events highlight the inadequacy of these discussions to counter the intelligence and power of drug lords.
The trust issues overshadowing US-Mexican cooperation, often rooted in fears of corruption and sovereignty, need to be tackled directly. The tragic case of DEA agent Enrique “Kiki” Camarena, who was murdered in 1985, exemplifies the challenging dynamics; it left a legacy of distrust affecting collaboration between US and Mexican security agencies.
Following this incident, ties were strained due to Mexican law enforcement’s entanglements with drug barons, leading to notable reductions in cooperative efforts. Although some collaboration has resumed, concerns about corruption and sovereignty continue to compromise effectiveness.
In recent years, this cycle of mistrust has intensified, as illustrated by the 2020 arrest of former Mexican Defense Minister Salvador Cienfuegos, which provoked a diplomatic backlash and prompted Mexico to tighten restrictions on foreign law enforcement activities. Such issues hinder crucial intelligence sharing and restrict operational flexibility, allowing drug lords to exploit the disparities between the two countries’ institutions.
Successful collaboration in the fight against organized crime will hinge on rebuilding trust as a strategic priority. In recent years, Mexico has undertaken notable financial reforms with the establishment of the Unidade de Inteligência Financeira. Yet, challenges persist in implementation and compliance.
Meanwhile, the US is expanding its use of advanced financial tools, such as the Global Magnitsky Method and Section 311 of the Patriot Act, to disrupt criminal financing globally. However, an effective partnership is still lacking. What’s really needed is real-time intelligence sharing, harmonized regulations, and joint accountability in addressing suspicious activities across borders.
Successful examples from around the globe affirm that prioritizing financial cooperation can yield effective results. For instance, the UAE’s Joint Task Force on Illegal Finance has led to significant interventions against terrorist networks, while partnerships with Europol have tackled cross-border crime in the EU.
Even in Latin America, initiatives among Argentina, Brazil, and Paraguay demonstrate that coordinated law enforcement can disrupt illegal financial flows.
The US and Mexico share not just economic ties, but mutual security challenges and interests in dismantling the financial networks fueling organized crime. However, simply imposing sanctions is not enough. It requires cultivating genuine trust, which calls for more than just high-level talks; it necessitates investing in meaningful institutional relationships.
This could involve enhancing review processes to ensure integrity on both sides, increasing interagency exchanges, joint training programs, and fostering regular interactions among investigators, prosecutors, and regulatory officials.
Emerging technologies, like artificial intelligence, can play a role by providing innovative tools to spot suspicious financial activities, track illicit flows, and identify anomalies in real time.
Engaging with civil society, including legal professionals, law schools, and state attorneys general, is also vital. By strengthening these networks and normalizing collaboration at all levels, we can create the robust ecosystems needed to tackle financial crime and drug trafficking effectively, ultimately ensuring the safety of communities on both sides of the US-Mexico border.





