What is an “open-source investigation” in the context of international criminal and human rights law?

It is an investigation into any big research question using open-source information, which is available to the public usually by at least one of three means: observation, request, or purchase. What the Human Rights Center (HRC) is pioneering is how to use new and emerging digital technologies to help us understand social phenomena. Our focus is primarily on war crimes and human rights-related issues.