Global expertise in intl criminal law, supporting Ukraine's investigations & prosecutions of atrocity crimes committed in the context of Russia's invasion

Joined June 2025
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30 Jun 2025
Advancing Justice and Accountability for Ukraine: @GtownICJI @EUAM_Ukraine @GRC_HumanRights @EUPravoJustice @IDLO
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The task of investigating & prosecuting such a huge number of reports of potential #atrocitycrimes is an enormous challenge. ACA is proud of its role supporting #Ukraine's @GP_Ukraine work to ensure justice for victims and #accountability for perpetrators.
Наразі Офісом генпрокурора зареєстровано понад 239 тисяч фактів воєнних злочинів. Загалом же злочинів, пов'язаних зі збройною агресією — понад 265 тисяч. Водночас їхнім документуванням і розслідуванням займаються лише близько 700-800 правоохоронців. Про це повідомив представник ОГП Олександр Зюзь під час дискусії у межах Docudays UA, передає кореспондентка hromadske. «Ми маємо обмежені ресурси, тому визначаємо певні пріоритетні напрямки і намагаємося групувати ці справи», — каже Олександр Зюзь hromadske.ua/kryminal/265674…
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Russian detention facilities in occupied #Ukraine have been the subject of numerous credible reports documenting serious #IHL violations. A new report from @truth_hounds adds to that growing body of evidence & underscores the need for #accountability.👇 truth-hounds.org/en/cases/iz…

Izoliatsiia (@izolyatsia) was a contemporary art centre in #Donetsk, Ukraine. In 2014, #Russia-backed forces seized it and turned it into a detention and torture site. Truth Hounds identified at least 127 survivors who had been subjected to the violence there. 1/
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👏 "Working closely with Ukrainian authorities & international institutions, especially ACA, we have sought to ensure that accountability efforts remain nationally led, legally robust, and capable of delivering justice." Read GRC's Annual Report 2025 👇 globalrightscompliance.org/w…

1/3  Global Rights Compliance (GRC) has released its 2025 Annual Report, detailing the organisation’s work over the past year to advance accountability, strengthen justice systems, and uphold the rule of law across conflict-affected and high-risk environments.
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ACAUkraine retweeted
🛡️ During armed conflict, #CivilDefence services help protect civilians through evacuation, rescue operations, medical assistance & emergency response. International humanitarian law protects civil defence personnel, buildings, transport & equipment used for #humanitarian tasks.
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Could corporate executives be held criminally liable if they knowingly facilitate trade linked to pillage or unlawful appropriation of #Ukraine's resources by #Russia? GRC legal experts weigh in👇 washingtontimes.com/news/202…
1/2 In a recent interview with @WashTimes, Rebecca Bakos Blumenthal and Kateryna Buriakovska examined the seizure and export of grain and other natural resources from Russia-occupied territories of Ukraine, as well as the legal and commercial risks associated with these practices
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ACAUkraine retweeted
2/2 As part of the discussion, Ruby Mae Axelson, Head of GRC’s Gender, Child and Inclusive Justice Hub, will speak about efforts in Ukraine to advance disability-inclusive justice through the investigative process. 🔗 Read more about the event: globalrightscompliance.org/g…

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ACAUkraine retweeted
1/2 Global Rights Compliance (GRC) is pleased to co-organise a side event during the 19th Session of the Conference of States Parties to the Convention on the Rights of Persons with Disabilities (COSP19).
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Today on the International Day of Child Victims of Aggression, we remember the young lives taken far too soon. In #Ukraine, 700 children have lost their lives & 2,500 injured due to Russian aggression. There must be accountability. 🙏⚖️
Replying to @UN_Ukraine
Intl Day of Innocent Children Victims of Aggression. ⚠️Russian authorities committed the crimes against humanity of deportation, forcible transfer & enforced disappearance of children from Ukraine - the Commission's recent report: bit.ly/42WBHcb Most are still missing.
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Mobile Justice Team North @GRC_HumanRights, which operates as a field component of ACA, supported the Kharkiv Regional Prosecutor’s Office in this case by reviewing evidence in the case file & the legal classifications in the notices of suspicion. More: globalrightscompliance.org/u…

1/3 The Kharkiv Regional Prosecutor’s Office (@prok_kharkiv) filed an indictment with the court against 13 individuals for war crimes of pillage, inhuman treatment, torture, unlawful detention and killing committed during the occupation of Izium, Kharkiv region.
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ACAUkraine retweeted
⚡️Russia is trying to swap stolen Ukrainian children for prisoners of war, a demand Zelenskyy calls illegal and proof of their crimes.
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According to international law applied to armed conflict, parties to war--in this case #Russia--are not only prohibited from directly targeting civilians, they also must take steps to protect them from harm. Civilians are #NotATarget. Condolences to the victims.
Over the past 7 days at least 30 children were reportedly injured by attacks in #Ukraine. This includes 2 girls & mum who were injured and their father tragically killed on a family day in a #Kherson playground. End the senseless devastation of young lives. Protect every child.
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ACAUkraine retweeted
May 26
📢 Attention researchers and practitioners! The International Review of the Red Cross calls for papers on 'Protection of Civilians and International Humanitarian Law in the Age of Artificial Intelligence'. Submit by 1 September 2026. Read more 👉🏽 ms.spr.ly/6011vkDeH
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Fostering increased understanding for the investigation and prosecution of atrocity crimes committed by Russian officials and personnel is at the heart of what ACA does. There must be accountability for these crimes. #IHL
1/2 Recently, GRC’s third Mock Trial took place in Kyiv, bringing together investigators, prosecutors, defence counsel, victim counsel, judges, and journalists for a realistic simulation of an international crimes trial.
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ACAUkraine retweeted
2/2 Read more on our website: globalrightscompliance.org/g…

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ACAUkraine retweeted
Two days of GRC’s third war crimes Mock Trial in Kyiv have come to an end. Let’s take a look back at some moments from the event.
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Deliberate strikes targeting civilians and civilian objects are prohibited under international law. ACA legal experts actively support efforts by @GP_Ukraine to investigate and prosecute cultural heritage crimes. Perpetrators must be held accountable. #IHL.
In the context of the recent escalation of the war in Ukraine following the invasion by the Russian Federation, @UNESCO is deeply alarmed by the reported aerial strikes over the weekend, notably in the Kyiv region, which resulted in reported severe damage to more than 10 cultural institutions and 2 educational and research facilities, as well as media outlets. #UNESCO expresses its sincere condolences to the families of the victims and its support to all those affected.   Among the monuments reported to be affected, three are located within the buffer zone of the UNESCO World Heritage site and the immediate vicinity of the cultural property under Enhanced Protection, “Kyiv: Saint-Sophia Cathedral and Related Monastic Buildings, Kyiv-Pechersk Lavra » : the National Academy of Music of Ukraine, the Central Post Office (Postal Station) and the Building of the Ministry of Foreign Affairs of Ukraine.   UNESCO condemns attacks against cultural property, educational institutions, students, education personnel and media professionals protected under international law. Damage to such institutions deprives communities of access to culture, education, and shared spaces that are essential for recovery and social cohesion.   UNESCO stands ready to support relevant authorities in assessing damage to cultural and educational institutions and identifying urgent measures within its mandate. unesco.org/en/articles/unesc…
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1/3 On May 25, 2022, the US, UK & EU established the ACA to advance accountability for atrocity crimes in the context of Russia’s ongoing war of aggression against Ukraine, representing an important innovation in international justice. Read our statement👉 aca-ukraine.org/press/statem…
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3/3 Since launching operations in 2022, ACA has: ✅ Engaged more than 230 experts ✅ Led 300 trainings and study trips with over 7,800 total participants ✅ Advised on more than 290 cases ✅ Led 165 field missions across Ukraine
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2/3 ACA advises and assists the Office of the Prosecutor General (OPG) of Ukraine and other relevant Ukrainian government agencies on the documentation, investigation, and prosecution of war crimes and other atrocities, including genocide, crimes against humanity and aggression.
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ACAUkraine retweeted
#Russia claims it relocated Ukrainian children for their safety, but evidence shows many of these transfers were forcible, lacked proper consent and violated international law. #BringKidsBack More facts countering lies: international.gc.ca/world-mo…
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