World leaders have vowed to hold President Vladimir V. Putin responsible for any atrocities by Russian forces. Past experience shows such cases take years to build and prosecute.
A brutal campaign against a rebellion in Western Sudan displaced millions and left the world aghast. Two decades later, the first and only war crimes trial has gotten underway.
The organization’s report is based on a series of interviews with eye witnesses, victims and local residents of Russia-occupied territories between Feb. 27 and March 14.