Every single time
(media.scored.co)
They way he defamed Anatoly Dyatlov was disgusting, he was not a bumbling oaf who blew up the reactor, he waded through radioactive water and got burned which massively shortened his life, he went to prison as a scapegoat for the disaster and the whole time tried to prove the operators who perished were innocent. The technical details of what happened to the reactor are also completely wrong.