Justice Rapid Response (JRR) manages the rapid deployment of criminal justice and related professionals from a stand-by roster. These deployments can be requested by the international community to investigate, analyze and report on situations where serious human rights and international criminal violations have been reported. JRR’s training program, developed and carried out in collaboration with the Institute for International Criminal Investigations (IICI), certifies experts to the JRR roster in order to make them available to the international community. The JRR roster is geographically and linguistically diverse, and contains a wide range of expertise, such as criminal investigations, prosecutions, forensic sciences, military expertise and sexual and gender based violence investigations. The background and training of JRR experts enable them to contribute to a wide range of missions: direct assistance to States; human rights or international criminal law investigations; commissions of inquiry or fact finding commissions; internal investigations; and political missions, mediations and security sector reform assessments. Requests for rapid deployment of experts on the JRR roster can come from States and international or regional organizations with appropriate jurisdiction, such as various parts of the United Nations system or the International Criminal Court. JRR makes such deployments possible by working closely with the experts and their employers.