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The US government has imposed sanctions on a group of four people and four firms accused of enlisting former Colombian soldiers to combat alongside and instruct a armed faction in Sudan which the US alleges of committing genocide.

Network Composition

Announcing the restrictions on this week, the Treasury stated the operation was primarily made up of Colombian citizens and firms.

Numerous of former Colombian military personnel have reportedly travelled to the conflict in Sudan to combat beside the Sudanese RSF militia, a faction implicated in horrific war crimes such as ethnically targeted slaughter and mass abductions.

Emergence of Involvement

The participation of ex-soldiers initially emerged last year, prompted by an investigation which revealed that more than 300 retired troops had been hired to engage in combat – an event that prompted an unprecedented apology from Colombia’s foreign ministry.

These South American veterans have historically been seen as highly prized fighters in conflict zones due to their considerable warzone knowledge gleaned from decades of civil war, knowledge of Western military gear, and high-level combat training.

Reported Actions

In the Sudanese theater, the contractors have allegedly instructed child soldiers, instructed militiamen in drone operation, and fought directly on the frontlines. A mercenary was quoted as saying that training children was "awful and crazy" but noted that "sadly, that is the nature of conflict".

Targeted Persons

Among those targeted was a retired Colombian officer, a citizen of both Colombia and Italy and ex-soldier operating from the Dubai. The US authorities said he had a key part in hiring and sending mercenaries to Sudan. His spouse, Claudia Viviana Oliveros Forero, was also sanctioned.

Also on the penalty list was Mateo Duque Botero, a dual Colombian-Spanish citizen who officials alleged managed a business implicated in handling funds and payroll for the network. "In 2024 and 2025, US-based firms connected to Duque conducted numerous wire transfers, amounting to millions," the official announcement said.

Individual Mónica Muñoz was the other individual to be targeted, with the firm she operated accused of wire transfers associated with Duque and his businesses.

"The US once more urges foreign parties to stop giving funding and arms to the belligerents," the department said in a statement.

Analyst Commentary

Elizabeth Dickinson, with the International Crisis Group, described the measures as a "very significant" milestone, saying that "identifying the recruiters is the right way to go".

Furthermore, Bogotá recently passed a piece of legislation endorsing the global treaty against mercenarism, designed to limit decades of Colombian involvement in international fights and transform its security approach.

A mercenary specialist, a authority on private military contractors, advised additional measures, saying that "sanctions are necessary but insufficient for combating rampant mercenarism".

"This is a shadow economy and based out of the UAE, which is relatively sanction-proof," he stated. The UAE has been frequently alleged of arming the RSF, an accusation it has denied. "This trend will probably continue," McFate warned.