Rizzoli & Isles (2010)

S4E9 No One Mourns the Wicked

Jane and Maura are invited to showcase the case of serial killer Charles Hoyt at a law enforcement symposium, but Jane is apprehensive about confronting painful memories. As they simulate the investigation of Hoyt's crimes, they uncover a chilling revelation. Before long, the team is entangled in a deadly game of cat and mouse with a fresh and menacing serial killer, testing their skills and resilience in ways they never anticipated.