Cicero executes the Catilinarian conspirators without trial
In December 63 BC, consul Cicero had five arrested Catilinarian conspirators, including the former consul Lentulus, strangled in the Tullianum after a Senate debate, not a trial, invoking the emergency decree (senatus consultum ultimum) despite laws guaranteeing citizens a right of appeal. Hailed as 'father of his country' at the moment of victory, he was later exiled under Clodius's law punishing anyone who had put a Roman citizen to death without trial, which showed that the act saving the republic became the legal weapon used against him.