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The U.S. EU, UK on the Establishment of the Atrocity Crimes Advisory Group for Ukraine

By: US State Department:

Today, the European Union, the United States, and the United Kingdom announced the creation of the Atrocity Crimes Advisory Group (ACA), a mechanism aimed at ensuring efficient coordination of their respective support to accountability efforts on the ground. The ACA will reinforce current EU, US and UK efforts to further accountability for atrocity crimes in the context of Russia’s ongoing war of aggression against Ukraine. It advances commitments made by the European Union, the United States, and the United Kingdom to demonstrate international support and solidarity at this crucial historical moment for Ukraine.


The overarching mission of the ACA is to support the War Crimes Units of the Office of the Prosecutor General of Ukraine (OPG) in its investigation and prosecution of conflict-related crimes. The ACA seeks to streamline coordination and communication efforts to ensure best practices, avoid duplication of efforts, and encourage the expeditious deployment of financial resources and skilled personnel to respond to the needs of the OPG as the legally constituted authority in Ukraine responsible for dealing with the prosecution of war crimes on its own territory.

EU High Representative/Vice-President Josep Borrell said:It is critical to ensure that all those responsible for the terrible atrocities committed during the unprovoked Russian military aggression in Ukraine are brought to justice. There can be no impunity for war crimes. The Atrocity Crimes Advisory Group will be providing advice and supporting the ongoing efforts of Ukraine’s Prosecutor General’s War Crimes Units to collect, preserve, and analyze evidence of atrocities to help the investigations and ensure justice takes its course.”

US Secretary of State Antony J. Blinken said: “This initiative will directly support efforts by the Ukrainian Office of the Prosecutor General to document, preserve, and analyze evidence of war crimes and other atrocities committed by members of Russia’s forces in Ukraine, with a view toward criminal prosecutions. The ACA is an essential element of the United States’ commitment that those responsible for such crimes will be held to account.”

UK Foreign Secretary Liz Truss said: We are determined to ensure those responsible for the vile atrocities committed in Ukraine are held to account. The UK has already made a clear commitment to supporting Ukraine in its investigations, including through deploying war crimes experts to the region and releasing additional funding to aid the ICC in their investigations. We are now stepping up our efforts through this landmark initiative with our partners in the US and EU. Justice will be done.”

General Prosecutor of Ukraine, Iryna Venediktova said: “There is ample evidence of the atrocities committed by Russia’s forces on the territory of Ukraine against civilians, including children. The creation of this support group and the advice of international experts with experience in other international criminal tribunals and national criminal law practice will help the ongoing work of our teams in investigating and prosecuting these crimes.”

Operational support


The ACA will bring together multinational experts to provide strategic advice and operational assistance to OPG specialists and other stakeholders in areas such as collection and preservation of evidence, operational analysis, investigation of conflict-related sexual violence, crime scene and forensic investigations, drafting of indictments, and co-operation with international and national accountability mechanisms. This engagement with the OPG and other justice, law enforcement and security agencies of Ukraine has been and will continue to be driven by the needs of the Ukrainian government and the parameters of its support will be developed in close consultation with the OPG. To this end, it will closely associate its activities with the ongoing operational work taking place in cooperation with EU Member States, partner third countries and the International Criminal Court, including the Joint Investigation Team coordinated by Eurojust.

The ACA brings together a multi-national group of war crimes experts from European Union countries, the United States, the United Kingdom and other countries. Due to the current security situation in Ukraine, the experts are primarily based in south-eastern Poland but are operationally engaged in Ukraine, including by means of short-term missions and on-site interaction with the OPG staff and other international partners engaged. As the security situation permits, it is anticipated that experts and support staff will relocate entirely to Ukraine.


The ACA activity will cover coordination of two key elements: 

  • Advisory Group to the OPG: Experienced senior war crimes prosecutors, investigators, military analysts, forensic specialists, and other experts based in the region on an ongoing basis provide expertise, mentoring, advice and operational support to the OPG and to the field-level Mobile Justice Teams, as well as a wider range of state and non-state actors.

  • Mobile Justice Teams: Several Mobile Justice Teams (MJTs) are being created and deployed to increase the capacity of the OPG War Crimes Unit and regional prosecutors to conduct field investigations. The MJTs will be composed of both international and Ukrainian experts and will be deployed at the request of the OPG to assist Ukraine’s investigators on the ground. They will be part of the holistic chain for documentation, investigation and prosecution of grave international crimes that is led by the OPG.


The ACA is supported by the U.S. State Department’s Office of Global Criminal Justice (GCJ) and Bureau of International Narcotics and Law Enforcement Affairs (INL). ACA partners include the Arizona State University Sandra Day O’Connor College of Law, Global Rights Compliance, and the International Development Law Organization (IDLO). On the EU side, coordination will be ensured by the European External Action Service (EEAS), through the EU Delegation to Ukraine, in coordination with the European Commission, the EU Project Pravo-Justice II and the EU Advisory Mission Ukraine (EUAM). The UK contribution will be coordinated by the Foreign, Commonwealth and Development Office (FCDO) and other relevant UK Government Departments.


The ACA is an operational hub that coordinates assistance in response to the technical and legal needs of the Government of Ukraine to hold perpetrators of international crimes to account. It constitutes one essential component of a broader multilateral effort to support Ukraine.



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