After defending Sextus Roscius of Ameria in 80 BC on a highly politically charged case of parricide, Cicero left for a voyage to Greece and Rhodes.
In 80 BC he was engaged in collecting evidence for the defence in the cause of Sextus Roscius of Ameria.
The events that made possible the accusation of the younger Roscius of Ameria began long before the murder of the elder Sextus Roscius of Ameria.