Ukrainian and international experts believe it will take years, if not decades, to build cases and prosecute people. Ukraine's prosecutor general's office has opened more than 9,000 investigations.
Russian criticism of Western military aid to Ukraine is not new. But recent rhetoric reflects efforts to build public consensus for the need of a protracted — if not existential — war with the West.
The U.S. now believes Ukraine can win, a significant change in thinking, and is rushing in weapons. This raises the risk of widening the conflict, analysts say, and may destabilize the global economy.