He served under Pompey's father during the Social War and killed his own brother-in-law during the proscriptions of Sulla.  Charges of extortion and fornication with a Vestal 
He served under Pompey's father during the Social War and killed his own brother-in-law during the proscriptions of Sulla.  Charges of extortion and fornication with a Vestal Virgin failed to keep him out of office, though he and his forces were finally defeated in 62 BCE by Gaius Antonius Hybrida at Pistoria.  After losing the consulship in 64 BCE, he assumed command of the army at Faesulae and attempted to hold an insurrection.  FTP, identify this famous Roman conspirator who was the subject of a famous oration by Cicero.
He served under Pompey's father during the Social War and killed his own brother-in-law during the proscriptions of Sulla.  
Catiline or Lucius Sergius Catalina