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The United States has imposed sanctions on a group of four individuals and four companies charged of enlisting South American contractors to combat alongside and instruct a Sudanese paramilitary group the United States claims of committing genocide.

Operation Structure

Disclosing the sanctions on this week, the US Treasury Department stated the scheme was mostly comprised of Colombian citizens and firms.

Scores of retired Colombian troops have reportedly travelled to Sudan to operate with the Sudanese RSF militia, a force implicated in horrific war crimes encompassing targeted ethnic killings and mass abductions.

Discovery of Participation

The role of these mercenaries was first uncovered last year, after an investigation which found that more than 300 ex-military personnel had been contracted to engage in combat – an revelation that led to an unprecedented apology from the Colombian government.

Colombian ex-soldiers have historically been seen as some of the most in-demand contractors globally due to their considerable warzone knowledge acquired during years of internal conflict, familiarity with advanced weaponry, and superior tactical education.

Reported Actions

In the Sudanese theater, the contractors have allegedly instructed child soldiers, taught fighters to pilot drones, and engaged in frontline combat. One source remarked that working with child soldiers was "awful and crazy" but noted that "regrettably, war operates that way".

Named Entities

Among those sanctioned was Álvaro Andrés Quijano Becerra, a citizen of both Colombia and Italy and former army officer based in the United Arab Emirates. The government alleged he played a pivotal function in recruiting and deploying former Colombian soldiers to Sudan. His spouse, Claudia Oliveros, was also sanctioned.

Also on the sanctions list was Mateo Andrés Duque Botero, a individual with Colombian and Spanish citizenship who the Treasury stated oversaw a company implicated in handling funds and payroll for the scheme. "In 2024 and 2025, companies in the United States linked to Duque carried out several money transfers, worth millions," the Treasury statement said.

Individual Mónica Muñoz was the fourth individual to be sanctioned, with the firm she operated said to have conducted money transfers associated with Duque and his companies.

"Washington reiterates its demand for foreign parties to cease providing funding and arms to the belligerents," the agency announced.

Analyst Commentary

A senior analyst, from a conflict think tank, called the measures as a "major" milestone, noting that "calling out those who are doing the contracting is the correct approach".

Furthermore, Bogotá recently passed a piece of legislation ratifying the global treaty against mercenarism, aiming to curb years of participation by its nationals in international fights and change national security policy.

A mercenary specialist, a authority on private military contractors, advised additional measures, noting that "restrictions are needed but not enough for dealing with the growing mercenary trade".

"This is a shadow economy and operating from the UAE, which is largely insulated from sanctions," he said. The Emirati government has been frequently alleged of supplying weapons to the paramilitary group, allegations it disputes. "This trend will probably continue," McFate warned.