Season 8: Episode 9 - Means to An End

Means to An End: ­The team investigates the murder of Ali Rand, who falsely testified against DC rapist John Curtis. Jo is dismayed to discover that Frank Waters, her old FBI partner who’s obsessed with bringing Curtis to justice, might have worked with Ali to frame Curtis, but then later killed her to cover his tracks when Ali’s testimony began unraveling in court. However, when new evidence points to Senator Matthews as the actual culprit, the senator confesses to stopping at nothing to get vengeance on the man who raped his daughter. Finally, Jo meets another of Curtis’ rape victims and comes face-to-face with the man himself.