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The US government has levied restrictions on a operation of four individuals and four companies charged of recruiting Colombian mercenaries to fight for and train a Sudanese paramilitary group the United States claims of genocidal acts.

Operation Structure

Announcing the sanctions on this week, the US Treasury Department stated the operation was primarily made up of Colombian nationals and companies.

Numerous of former Colombian military personnel have allegedly journeyed to the Sudanese warzone to fight alongside the Rapid Support Forces (RSF), a faction accused of terrible atrocities including massacres based on ethnicity and large-scale abductions.

Emergence of Involvement

The participation of ex-soldiers first came to light the previous year, following an inquiry which revealed that hundreds of retired troops had been contracted to participate in the war – an revelation that resulted in an rare mea culpa from the Colombian government.

These South American veterans have widely regarded as among the world’s most sought-after mercenaries due to their vast combat experience acquired during years of internal conflict, knowledge of advanced weaponry, and superior tactical education.

Activities in Sudan

In the conflict, the mercenaries have been accused of teaching child soldiers, instructed militiamen in drone operation, and participated in direct battles. A mercenary previously stated that training children was "horrific and irrational" but added that "regrettably, war operates that way".

Targeted Persons

Among those penalized was a retired Colombian officer, a individual with dual citizenship and former army officer located in the Dubai. The US authorities said he had a pivotal function in recruiting and deploying ex-military personnel to Sudan. His wife, Claudia Viviana Oliveros Forero, was penalized as well.

Also on the penalty 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, US-based firms linked to Duque carried out several money transfers, amounting to millions," the government release said.

Individual Mónica Muñoz was the final person to be sanctioned, with the firm she operated said to have conducted wire transfers associated with Duque and his companies.

"The United States again calls on external actors to halt the flow of monetary and weaponry aid to the combatants," the agency said in a statement.

Analyst Commentary

An expert, from a conflict think tank, described the measures as a "major" development, stating that "calling out those who are doing the contracting is the right way to go".

She added that, the Colombian government has enacted a law endorsing the anti-mercenary convention, designed to limit years of participation by its nationals in international fights and change national security policy.

Another expert, a authority on private military contractors, urged more caution, saying that "restrictions are needed but not enough for dealing with widespread use of contractors".

"It’s an illicit economy and based out of the UAE, which is difficult to penalize," he said. The Emirati government has been widely accused of supplying weapons to the paramilitary group, claims it rejects. "Expect more Colombian mercenaries," McFate warned.