The United States Treasury has officially sanctioned the Gasabo Gold Refinery and its chief executive, Jean Malic Kalima. This move follows allegations that the firm played a central role in the illegal extraction, transport, and sale of gold sourced from the eastern regions of the Democratic Republic of Congo.
Investigations reveal that the refinery operated in coordination with Rwandan government officials and the M23 rebel group. Reports indicate that Rwandan troops and rebel fighters provided security for gold shipments traveling to Bukavu before being moved to Kigali for refining processes.
In the early months of 2026, approximately 60 kilograms of gold—valued at several million dollars—were reportedly funneled into Rwanda through these illicit channels.
These measures come amid growing international concern over the exploitation of Congolese natural resources and the ongoing instability in the eastern provinces.
Financial restrictions and asset freezes
The primary goal of these sanctions is to cut off the financial lifelines of armed groups profiting from illegal mining. By targeting the economic infrastructure that supports these movements, Washington aims to reduce regional instability.
“The United States will not permit criminal networks to exploit the mineral trade to fuel conflict. The mineral wealth of the Democratic Republic of Congo belongs to its citizens,” stated US Treasury Secretary Scott Bessent.
The sanctions mandate an immediate freeze on all assets held by the refinery and Jean Malic Kalima within US jurisdiction. Furthermore, American citizens and businesses are prohibited from engaging in any financial dealings with the sanctioned entities. Foreign companies that operate in US dollars or maintain American subsidiaries could also face legal repercussions for violating these terms.
The link between mineral trade and eastern DRC conflict
Since its resurgence at the end of 2021, the M23 has seized control of significant portions of eastern Democratic Republic of Congo, areas known for their strategic mineral deposits. While Rwanda denies any involvement, there are widespread accusations of military support for the group.
Resource exploitation remains a vital revenue stream for the insurgency. In April 2024, the M23 captured Rubaya, a critical site for coltan mining. This single location accounts for nearly 15% of the world’s coltan supply, a mineral essential for manufacturing smartphones, laptops, and other high-tech electronics.
By taxing the extraction and trade of these materials, the rebel movement has managed to generate substantial financial resources to sustain its operations.
Escalating accusations of resource plunder
The timing of these US sanctions aligns with recent findings from Global Witness. Their research suggests that hundreds of tons of coltan mined illegally in the Democratic Republic of Congo were laundered through Rwanda before entering the global supply chains of major electronics manufacturers.
United Nations experts estimate that between May and October 2024, roughly 120 tons of coltan were exported to Rwanda every month from territories under M23 control.
This latest round of sanctions signals a shift in strategy, targeting the commercial networks that enable armed groups. It also intensifies the global conversation regarding mineral traceability and the ethical responsibilities of international corporations in their sourcing practices.