Google this -- Soviet War Crimes -- and read the article on Wikipedia.

It details in vast, shocking detail what Russian forces did all over Eastern Europe -- from the Baltic states to conquered Germany to Ukraine and beyond -- from mid-WWII to present. Rapes, gang-rapes, deportation to forced labor camps, torture ... AND ON AN INDUSTRIAL SCALE ... by the thousands, hundreds of thousands, and sometimes millions.

People of the time said that the Russians were WORSE than the Nazis.

Joseph Stalin reportedly stated that he should "understand it if a soldier who has crossed thousands of kilometres through blood and fire and death has fun with a woman or takes some trifle."

For utterly jaw-dropping, Ukraine-specific info, look at these, under bolded headers: Massacre of Grishchino and Massacre of Feodosia. Note: I'd cite that text here, but it's so very brutal, people should read it prepared and by choice, not just come upon it unsuspecting here.

At the end, there is a whole section on War Crimes Trials and Prosecutions for the Russian perpetrators, continuing to the present: On 27 March 2019, Lithuania convicted 67 former Soviet military and KGB officials.

The Russians whitewashed all of this and never came to a public reckoning about their crimes.

"Today, the Russian government engages in historical negationism. Russian media refers to the war crimes as a "Western myth," in Russian history textbooks, the atrocities are either altered to portray the Soviets positively or omitted entirely." - Wikipedia