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The United States has imposed sanctions on a group of four individuals and four companies alleged of hiring former Colombian soldiers to fight for and train a armed faction in Sudan that Washington accuses of genocidal acts.

Network Composition

Revealing the measures on Tuesday, the American treasury stated the operation was mostly comprised of Colombian citizens and firms.

Hundreds of ex-soldiers from Colombia have reportedly travelled to the conflict in Sudan to fight alongside the Sudanese RSF militia, a force implicated in terrible atrocities encompassing ethnically targeted slaughter and large-scale abductions.

Revelation of Role

The involvement of Colombian fighters initially emerged last year, following an investigation which disclosed that over three hundred former soldiers had been hired to fight – an revelation that resulted in an unusual statement of regret from the Colombian government.

Colombian ex-soldiers have long been considered as highly prized fighters in conflict zones due to their vast combat experience gleaned from decades of civil war, knowledge of Nato equipment, and elite military instruction.

Reported Actions

In the conflict, the Colombians have reportedly trained underage fighters, taught fighters to pilot drones, and fought directly on the frontlines. An individual involved previously stated that training children was "terrible and insane" but added that "regrettably, war operates that way".

Targeted Persons

Among those penalized was a retired Colombian officer, a dual Colombian-Italian national and ex-soldier located in the Dubai. The government said he had a central role in hiring and sending former Colombian soldiers to Sudan. His wife, Claudia Oliveros, was also sanctioned.

Also on the sanctions list was Duque Botero, a dual national who authorities say ran a firm linked to managing finances and payments for the scheme. "In 2024 and 2025, companies in the United States linked to Duque carried out multiple financial transactions, totalling millions of US dollars," the Treasury statement said.

Individual Mónica Muñoz Ucros was the other individual to be targeted, with the firm she operated said to have conducted money transfers associated with Duque and his businesses.

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

Expert Analysis

An expert, with the International Crisis Group, labeled the measures as a "highly important" step, noting that "identifying the recruiters is the proper strategy".

She added that, the Colombian government recently passed a law approving the International Convention Against the Recruitment and Use of Mercenaries, designed to limit its citizens' long history in overseas wars and transform domestic defense strategy.

Sean McFate, a scholar on the subject, urged more caution, noting that "restrictions are needed but not enough for combating widespread use of contractors".

"This is a shadow economy and based out of the UAE, which is largely insulated from sanctions," he stated. The Emirati government has been widely accused of supplying weapons to the paramilitary group, claims it rejects. "More contractors from Colombia are likely," McFate warned.