A sharp exchange between Brazilian Supreme Court Justice Gilmar Mendes and STF President Edson Fachin has exposed deep institutional tensions and emerging judicial factions within the court. Mendes criticized Fachin for being a 'sore loser' and accused him of poor sportsmanship compared to his predecessor Luís Roberto Barroso.

Minister resumed judgment on the matter and followed the vote of former Minister Luís Roberto Barroso in action on the subject