Quintus Hortensius
Murena was defended by Marcus Licinius Crassus (who three years later became a member of the first triumvirate), Quintus Hortensius, and Sulpicius' friend Cicero (in the extant speech "Pro Murena") and was acquitted. It is possible, however, that Murena was in fact guilty. Much of our information about Murena's life and career comes from the contents of Cicero's speech.