evidence: Why Derek Chauvin was found guilty of both murder and manslaughter over George Floyd's death Derek Chauvin has been found guilty of murdering George Floyd, or — more precisely — he's been found guilty of two counts of murder and one count of manslaughter. [...] To convict Chauvin on the second-degree murder charge, the jury needed to be convinced he unintentionally killed Mr Floyd while committing or trying to commit another crime — assault in the third degree.