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The US government has imposed sanctions on a network of four people and four firms accused of enlisting Colombian mercenaries to support and educate a armed faction in Sudan the United States claims of genocidal acts.

Network Composition

Disclosing the measures on Tuesday, the US Treasury Department stated the operation was mostly comprised of individuals and businesses from Colombia.

Numerous of ex-soldiers from Colombia have reportedly travelled to the conflict in Sudan to fight alongside the RSF paramilitary group, a faction implicated in terrible atrocities encompassing massacres based on ethnicity and widespread kidnappings.

Emergence of Involvement

The involvement of Colombian fighters initially emerged last year, following an inquiry which disclosed that more than 300 former soldiers had been recruited to fight – an discovery that led to an rare mea culpa from the Colombian government.

Colombian ex-soldiers have long been considered as highly prized fighters in conflict zones due to their considerable warzone knowledge resulting from decades of civil war, knowledge of Nato equipment, and high-level combat training.

Role in the Conflict

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 training children was "terrible and insane" but commented that "regrettably, war operates that way".

Targeted Persons

Among those sanctioned was a retired Colombian officer, a citizen of both Colombia and Italy and retired Colombian military officer operating from the Dubai. The government accused him a pivotal function in hiring and sending former Colombian soldiers to Sudan. His spouse, Claudia Oliveros, was also sanctioned.

Also on the sanctions list was Duque Botero, a dual national who officials alleged managed a business linked to handling funds and payroll for the recruitment operation. "In 2024 and 2025, companies in the United States linked to Duque carried out several money transfers, totalling millions of US dollars," the official announcement said.

Individual Mónica Muñoz Ucros was the fourth individual to be targeted, with the company she managed said to have conducted financial transactions connected to Duque and his operations.

"The United States again calls on external actors to cease providing monetary and weaponry aid to the belligerents," the agency stated.

Expert Analysis

A senior analyst, with the International Crisis Group, labeled the measures as a "very significant" development, noting that "targeting the enablers is the correct approach".

Furthermore, Bogotá recently passed a piece of legislation approving the International Convention Against the Recruitment and Use of Mercenaries, aiming to curb years of participation by its nationals in international fights and reshape domestic defense strategy.

Sean McFate, an expert on mercenaries, urged more caution, saying that "penalties are required yet incomplete for addressing rampant mercenarism".

"This is a shadow economy and based out of the Emirates, which is relatively sanction-proof," he said. The UAE has been widely accused of providing arms to the militia, allegations it disputes. "Expect more Colombian mercenaries," the expert cautioned.