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The US government has enforced penalties on a network of four individuals and four companies accused of recruiting Colombian mercenaries to combat alongside and instruct a militia force in Sudan which the US alleges of genocidal acts.

Network Composition

Revealing the restrictions on this week, the Treasury stated the network was primarily made up of Colombian citizens and firms.

Numerous of retired Colombian troops have reportedly travelled to Sudan to fight alongside the Rapid Support Forces (RSF), a faction linked to severe violations encompassing targeted ethnic killings and mass abductions.

Revelation of Role

The participation of ex-soldiers initially emerged last year, after an inquiry which revealed that hundreds of ex-military personnel had been contracted to engage in combat – an event that led to an unusual statement of regret from Colombia’s foreign ministry.

Former Colombian military have historically been seen as among the world’s most sought-after mercenaries due to their vast combat experience gleaned from years of internal conflict, familiarity with Nato equipment, and high-level combat training.

Activities in Sudan

In the conflict, the Colombians have been accused of teaching minors, taught fighters to pilot drones, and fought directly on the frontlines. A mercenary remarked that instructing minors was "horrific and irrational" but added that "unfortunately that’s how war is".

Targeted Persons

Among those penalized was a retired Colombian officer, a individual with dual citizenship and retired Colombian military officer operating from the UAE. The US authorities alleged he played a pivotal function in hiring and sending mercenaries to Sudan. His wife, Claudia Oliveros, was also sanctioned.

Also on the restricted list was Mateo Andrés Duque Botero, a individual with Colombian and Spanish citizenship who authorities say oversaw a company implicated in managing finances and payments for the network. "In 2024 and 2025, American entities connected to Duque conducted numerous wire transfers, worth millions," the government release stated.

Colombian national Mónica Muñoz was the fourth individual to be penalized, with the company she managed alleged to have wire transfers linked to Duque and his operations.

"Washington reiterates its demand for outside forces to stop giving funding and arms to the warring parties," the agency said in a statement.

Analyst Commentary

A senior analyst, with the International Crisis Group, called the measures as a "major" development, stating that "calling out those who are doing the contracting is the correct approach".

She added that, Colombia has enacted a law ratifying the anti-mercenary convention, aiming to curb decades of Colombian involvement in overseas wars and reshape domestic defense strategy.

A mercenary specialist, a scholar on the subject, urged more caution, stating that "sanctions are necessary but insufficient for addressing rampant mercenarism".

"It operates in the black market and operating from the UAE, which is largely insulated from sanctions," he commented. The United Arab Emirates has been frequently alleged of providing arms to the militia, claims it rejects. "Expect more Colombian mercenaries," McFate warned.