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The US government has enforced penalties on a group of several persons and entities accused of recruiting South American contractors to combat alongside and instruct a militia force in Sudan the United States claims of acts of genocide.

Network Composition

Announcing the measures on this week, the American treasury stated the scheme was primarily made up of individuals and businesses from Colombia.

Scores of retired Colombian troops have allegedly journeyed to the conflict in Sudan to combat beside the Sudanese RSF militia, a faction accused of terrible atrocities including massacres based on ethnicity and large-scale abductions.

Emergence of Involvement

The participation of ex-soldiers initially emerged last year, prompted by an report which found that more than 300 former soldiers had been recruited to engage in combat – an discovery that led to an unprecedented apology from Colombia’s foreign ministry.

Colombian ex-soldiers have historically been seen as among the world’s most sought-after mercenaries due to their considerable warzone knowledge gleaned from decades of civil war, training on Nato equipment, and elite military instruction.

Reported Actions

In the conflict, the mercenaries have allegedly instructed child soldiers, provided drone warfare training, and engaged in frontline combat. One source was quoted as saying that training children was "horrific and irrational" but noted that "regrettably, war operates that way".

Sanctioned Individuals

Among those sanctioned was a retired Colombian officer, a individual with dual citizenship and retired Colombian military officer located in the Dubai. The government accused him a central role in recruiting and deploying ex-military personnel to Sudan. His spouse, Claudia Oliveros, was similarly targeted.

Also on the penalty list was Mateo Duque Botero, a dual national who the Treasury stated managed a business implicated in processing money and salaries for the network. "In 2024 and 2025, American entities connected to Duque conducted numerous wire transfers, totalling millions of US dollars," the Treasury statement noted.

Colombian national Mónica Muñoz Ucros was the fourth individual to be sanctioned, with the firm she operated said to have conducted wire transfers associated with Duque and his businesses.

"Washington reiterates its demand for external actors to stop giving monetary and weaponry aid to the belligerents," the agency said in a statement.

Expert Analysis

Elizabeth Dickinson, senior analyst at the International Crisis Group, labeled the measures as a "major" development, stating that "targeting the enablers is the proper strategy".

She added that, Bogotá has enacted a statute endorsing the global treaty against mercenarism, aiming to curb decades of Colombian involvement in international fights and reshape domestic defense strategy.

Another expert, a authority on private military contractors, advised additional measures, saying that "penalties are required yet incomplete for addressing widespread use of contractors".

"It’s an illicit economy and operating from Dubai, which is difficult to penalize," he said. The UAE has been frequently alleged of supplying weapons to the paramilitary group, claims it rejects. "More contractors from Colombia are likely," he advised.