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The Washington has levied restrictions on a group of four people and four firms alleged of enlisting Colombian mercenaries to fight for and train a Sudanese paramilitary group the United States claims of committing genocide.

Operation Structure

Revealing the measures on this week, the American treasury stated the scheme was largely composed of Colombian nationals and companies.

Scores of former Colombian military personnel have been recruited to go to Sudan to fight alongside the Rapid Support Forces (RSF), a group implicated in terrible atrocities encompassing ethnically targeted slaughter and large-scale abductions.

Emergence of Involvement

The role of these mercenaries was first uncovered last year, prompted by an report which revealed that hundreds of ex-military personnel had been hired to engage in combat – an revelation that prompted an unprecedented apology from officials in Bogotá.

Former Colombian military have historically been seen as among the world’s most sought-after mercenaries due to their vast combat experience resulting from a long-running domestic war, knowledge of advanced weaponry, and high-level combat training.

Reported Actions

In Sudan, the mercenaries have been accused of teaching minors, provided drone warfare training, and fought directly on the frontlines. A mercenary was quoted as saying that training children was "terrible and insane" but commented that "sadly, that is the nature of conflict".

Targeted Persons

Among those penalized was Álvaro Andrés Quijano Becerra, a dual Colombian-Italian national and former army officer based in the United Arab Emirates. The Treasury accused him a key part in enlisting and transporting ex-military personnel to Sudan. His wife, Claudia Oliveros, was penalized as well.

Also on the sanctions list was Mateo Duque Botero, a individual with Colombian and Spanish citizenship who the Treasury stated ran a firm accused of managing finances and payments for the network. "In 2024 and 2025, American entities linked to Duque carried out numerous wire transfers, worth millions," the official announcement noted.

Individual Mónica Muñoz was the fourth individual to be targeted, with the firm she operated said to have conducted wire transfers connected to Duque and his companies.

"The US once more urges outside forces to stop giving financial and military support to the combatants," the Treasury stated.

Reaction

An expert, from a conflict think tank, labeled the sanctions as a "major" milestone, saying that "calling out those who are doing the contracting is the proper strategy".

It was also noted that, the Colombian government ratified a piece of legislation endorsing the global treaty against mercenarism, designed to limit decades of Colombian involvement in international fights and change domestic defense strategy.

Another expert, a authority on private military contractors, urged more caution, noting that "penalties are required yet incomplete for dealing with widespread use of contractors".

"This is a shadow economy and operating from the Emirates, which is largely insulated from sanctions," he stated. The Emirati government has been repeatedly implicated of supplying weapons to the paramilitary group, an accusation it has denied. "Expect more Colombian mercenaries," the expert cautioned.