Yeah, The Death of Stalin, played a little fast and loose with history, but still it was a great movie.
Sure-— there was more than a year before Kruschev organized the trial of Beria, and then executed him. Beria was a monster, a perverted monster (and Stalin thought he was a perfect cop to do his bidding, and controlled Beria through his perversions.
Giving the parents of his underage rape victims, flowers, to say “thanks, and I won’t be putting you under arrest in advance for your not saying a word about me”— that was an evil person