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The US government has enforced penalties on a group of four people and four firms charged of recruiting South American contractors to combat alongside and instruct a Sudanese paramilitary group the United States claims of genocidal acts.

Network Composition

Revealing the measures on Tuesday, the American treasury stated the network was largely composed of Colombian nationals and companies.

Numerous of former Colombian military personnel have been recruited to go to the Sudanese warzone to fight alongside the Rapid Support Forces (RSF), a force implicated in terrible atrocities including ethnically targeted slaughter and mass abductions.

Revelation of Role

The participation of ex-soldiers was first uncovered last year, after an report which found that hundreds of retired troops had been hired to fight – an discovery that prompted an unusual statement of regret from officials in Bogotá.

These South American veterans have widely regarded as some of the most in-demand contractors globally due to their extensive battlefield experience acquired during a long-running domestic war, knowledge of Nato equipment, and high-level combat training.

Activities in Sudan

In the Sudanese theater, the contractors have allegedly instructed underage fighters, provided drone warfare training, and engaged in frontline combat. An individual involved remarked that training children was "terrible and insane" but commented that "unfortunately that’s how war is".

Named Entities

Among those sanctioned was a retired Colombian officer, a individual with dual citizenship and ex-soldier located in the UAE. The government alleged he played a key part in recruiting and deploying mercenaries to Sudan. His spouse, Claudia Oliveros, was similarly targeted.

Also on the restricted list was Mateo Andrés Duque Botero, a dual national who the Treasury stated managed a business accused of processing money and salaries for the scheme. "In 2024 and 2025, companies in the United States linked to Duque carried out numerous wire transfers, totalling millions of US dollars," the government release said.

Individual Mónica Muñoz Ucros was the other individual to be sanctioned, with the firm she operated accused of money transfers connected to Duque and his businesses.

"The US once more urges external actors to cease providing monetary and weaponry aid to the warring parties," the Treasury stated.

Expert Analysis

Elizabeth Dickinson, from a conflict think tank, called the sanctions as a "very significant" development, saying that "targeting the enablers is the proper strategy".

It was also noted that, the Colombian government ratified a piece of legislation ratifying the global treaty against mercenarism, aiming to curb decades of Colombian involvement in foreign conflicts and transform its security approach.

Sean McFate, a scholar on the subject, advised additional measures, saying that "restrictions are needed but not enough for dealing with the growing mercenary trade".

"It operates in the black market and based out of the Emirates, which is largely insulated from sanctions," he commented. The United Arab Emirates has been repeatedly implicated of providing arms to the militia, an accusation it has denied. "This trend will probably continue," McFate warned.