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The Washington has imposed sanctions on a network 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 committing genocide.

Group Makeup

Disclosing the sanctions on this week, the US Treasury Department stated the operation was primarily made up of Colombian citizens and firms.

Numerous of ex-soldiers from Colombia have reportedly travelled to the conflict in Sudan to combat beside 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 first came to light the previous year, after an report which disclosed that hundreds of ex-military personnel had been hired to participate in the war – an event that led to an unusual statement of regret from the Colombian government.

Former Colombian military have historically been seen as highly prized fighters in conflict zones due to their considerable warzone knowledge acquired during a long-running domestic war, knowledge of Western military gear, and high-level combat training.

Reported Actions

In the Sudanese theater, the contractors have reportedly trained underage fighters, taught fighters to pilot drones, and engaged in frontline combat. A mercenary was quoted as saying that working with child soldiers was "horrific and irrational" but noted that "unfortunately that’s how war is".

Sanctioned Individuals

Among those penalized was a dual national, a dual Colombian-Italian national and former army officer located in the Dubai. The US authorities said he had a key part in enlisting and transporting former Colombian soldiers to Sudan. His wife, Claudia Oliveros, was similarly targeted.

Also on the sanctions list was Mateo Duque Botero, a dual national who the Treasury stated managed a business linked to handling funds and payroll for the scheme. "In 2024 and 2025, companies in the United States linked to Duque engaged in multiple financial transactions, amounting to millions," the official announcement stated.

Citizen of Colombia Mónica Muñoz was the fourth individual to be penalized, with the company she managed said to have conducted wire transfers associated with Duque and his businesses.

"The United States again calls on foreign parties to stop giving financial and military support to the warring parties," the department announced.

Expert Analysis

A senior analyst, with the International Crisis Group, described the sanctions as a "major" development, saying that "targeting the enablers is the correct approach".

It was also noted that, Colombia ratified a piece of legislation approving the global treaty against mercenarism, designed to limit its citizens' long history in overseas wars and reshape its security approach.

Sean McFate, a scholar on the subject, called for greater wariness, noting that "penalties are required yet incomplete for dealing with rampant mercenarism".

"This is a shadow economy and operating from the UAE, which is relatively sanction-proof," he said. The UAE has been frequently alleged of supplying weapons to the paramilitary group, an accusation it has denied. "This trend will probably continue," he advised.