This submission is made in support of an investigation and forthcoming report by the United Nations Working Group on the Use of Mercenaries (the Working Group) that examines the relationship between private military and security companies and extractive industry companies from a human rights perspective. Following communications with the Working Group, this submission covers issues related to excess use of force by private mine security and by police who participate in securing mines through memorandums of understanding between mine proponents and police agencies of the states hosting the mines. The sections below follow organizational and informational guidelines provided by the Working Group.