Derek Chauvin, the former Minneapolis police officer convicted of murdering George Floyd in 2020, has filed a new legal petition seeking to have his conviction vacated, arguing that his prosecution was unlawful. The move is the latest in a series of appeals by Chauvin since he was found guilty, and it comes as scrutiny of high-profile US criminal cases continues, with legal experts noting that overturning a conviction of this kind carries a very high bar.

The petition raises fresh claims challenging the legality of the process that led to his prosecution, though specific legal grounds cited were not detailed in the available report. Floyd's death, captured on video as Chauvin knelt on his neck, sparked global protests over police brutality and racial injustice in 2020, and his conviction was widely seen as a landmark moment for police accountability in the United States.