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The Washington has levied restrictions on a group of four individuals and four companies accused of recruiting Colombian mercenaries to combat alongside and instruct a militia force in Sudan that Washington accuses of acts of genocide.

Operation Structure

Revealing the measures on this week, the Treasury stated the network was primarily made up of Colombian nationals and companies.

Hundreds of former Colombian military personnel have been recruited to go to Sudan to combat beside the Rapid Support Forces (RSF), a faction linked to horrific war crimes encompassing massacres based on ethnicity and mass abductions.

Emergence of Involvement

The involvement of Colombian fighters first came to light last year, following an inquiry which found that over three hundred ex-military personnel had been recruited to fight – an event that prompted an unusual statement of regret from the Colombian government.

These South American veterans have long been considered as some of the most in-demand contractors globally due to their extensive battlefield experience gleaned from years of internal conflict, knowledge of Western military gear, and superior tactical education.

Role in the Conflict

In Sudan, the Colombians have been accused of teaching minors, provided drone warfare training, and fought directly on the frontlines. An individual involved previously stated that working with child soldiers was "awful and crazy" but commented that "regrettably, war operates that way".

Targeted Persons

Among those penalized was a dual national, a dual Colombian-Italian national and ex-soldier based in the United Arab Emirates. The US authorities said he had a central role in enlisting and transporting former Colombian soldiers to Sudan. His spouse, Claudia Viviana Oliveros Forero, was similarly targeted.

Also on the penalty list was Mateo Andrés Duque Botero, a dual national who officials alleged managed a business implicated in managing finances and payments for the recruitment operation. "In 2024 and 2025, US-based firms linked to Duque carried out multiple financial transactions, worth millions," the government release noted.

Colombian national Mónica Muñoz was the fourth individual to be sanctioned, with the entity she oversaw alleged to have money transfers linked to Duque and his companies.

"The US once more urges external actors to halt the flow of funding and arms to the belligerents," the agency announced.

Analyst Commentary

A senior analyst, with the International Crisis Group, described the sanctions as a "very significant" milestone, saying that "targeting the enablers is the correct approach".

It was also noted that, Bogotá ratified a piece of legislation ratifying the anti-mercenary convention, seeking to reduce decades of Colombian involvement in overseas wars and change its security approach.

Sean McFate, a scholar on the subject, urged more caution, noting that "penalties are required yet incomplete for combating the growing mercenary trade".

"It’s an illicit economy and centered in the Emirates, which is largely insulated from sanctions," he commented. The Emirati government has been repeatedly implicated of arming the RSF, allegations it disputes. "Expect more Colombian mercenaries," he advised.