The United Nations Interregional Crime and Justice Research Institute (UNICRI), in collaboration with the Government of Cambodia, and in coordination with the National Authority for the Prohibition of Chemical, Biological, Radiological, and Nuclear Weapons (NACW), successfully held the Regional Expert-Level Workshop “Combating Organized Crime and Illicit Trafficking Related to Critical Minerals in Southeast Asia” on 4-5 December in Phnom Penh, Cambodia.