Nick is upset because Olivia didn't tell him about her and Cassidy, but Olivia says that it's none of his business. Cassidy says she is lying and angrily walks away. Cassidy recognizes her as a hooker and Nick says that Heather was forced into prostituting by a pimp named Andre Larouge and had Cassidy 'break her in'. The next day, Nick shows Cassidy the picture of Heather. When Munch and Nick visit Cassidy at his home and tell him to come with them to the station, they are shocked to see Olivia coming out of his bedroom. She never saw him again until she recognized his photo in the newspapers about the Ganzel trial. When prosecutor Derek Strauss pushes hard for a win, Cassidy and his lawyer use some surprising methods of defense, with shocking consequences for Detective Amaro.Īs Detective Cassidy is preparing to testify in the Bart Ganzel case, a woman named Heather Riggs arrives at the station claiming that Cassidy sexually assaulted her 4 years ago while working undercover. ADA Barba, Detective Benson and the SVU squad nervously await the outcome of the trial, concerned for Cassidy as well as the ongoing prosecution of Ganzel. As he prepares to testify against pimp Bart Ganzel, a woman comes forward claiming that Brian Cassidy raped her while he was an undercover detective.