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The Washington has imposed sanctions on a group of four people and four firms accused of recruiting Colombian mercenaries to support and educate a militia force in Sudan which the US alleges of committing genocide.

Operation Structure

Disclosing the restrictions on Tuesday, the Treasury stated the scheme was primarily made up of Colombian citizens and firms.

Hundreds of retired Colombian troops have reportedly travelled to Sudan to combat beside the Sudanese RSF militia, a faction implicated in horrific war crimes encompassing massacres based on ethnicity and large-scale abductions.

Discovery of Participation

The participation of ex-soldiers first came to light the previous year, prompted by an inquiry which disclosed that more than 300 ex-military personnel had been recruited to fight – an event that led to an unprecedented apology from officials in Bogotá.

Former Colombian military have widely regarded as among the world’s most sought-after mercenaries due to their vast combat experience gleaned from a long-running domestic war, familiarity with advanced weaponry, and elite military instruction.

Reported Actions

In Sudan, the Colombians have reportedly trained minors, instructed militiamen in drone operation, and participated in direct battles. A mercenary previously stated that training children was "awful and crazy" but commented that "unfortunately that’s how war is".

Targeted Persons

Among those targeted was a dual national, a individual with dual citizenship and retired Colombian military officer located in the United Arab Emirates. The government alleged he played a pivotal function in enlisting and transporting mercenaries to Sudan. His wife, Claudia Oliveros, was similarly targeted.

Also on the restricted list was Mateo Andrés Duque Botero, a dual national who the Treasury stated oversaw a company implicated in handling funds and payroll for the network. "In 2024 and 2025, companies in the United States associated with Duque conducted 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 entity she oversaw accused of financial transactions associated with Duque and his businesses.

"The United States again calls on outside forces to halt the flow of monetary and weaponry aid to the warring parties," the agency stated.

Expert Analysis

A senior analyst, from a conflict think tank, labeled the measures as a "very significant" step, noting that "calling out those who are doing the contracting is the proper strategy".

She added that, the Colombian government has enacted a law ratifying the International Convention Against the Recruitment and Use of Mercenaries, seeking to reduce its citizens' long history in overseas wars and reshape domestic defense strategy.

A mercenary specialist, an expert on mercenaries, advised additional measures, noting that "penalties are required yet incomplete for addressing rampant mercenarism".

"It operates in the black market and based out of the UAE, which is relatively sanction-proof," he commented. The UAE has been frequently alleged of supplying weapons to the paramilitary group, claims it rejects. "This trend will probably continue," McFate warned.