Do you want to charge Russia with war crimes? Go for it. Though Russia felt the tide of existential threat at their borders, they were not under imminent attack, and they did not seek Security Council approval. So the moment they launched a war against Ukraine, Russia had broken international law and committed a war crime.
But let there be a common and consistent standard of law established for all countries. And do not allow the one bringing the charges of torture against Russia to be the warden of Abu Ghraib, Bagram and Guantanamo Bay.