In Season 5, Episode 4, titled " The Choice ," the long-running saga of serial killer Rosalind Dyer reaches its dramatic and final conclusion. This episode served as a major crossover event with The Rookie: Feds . The Trap
The tank is a sophisticated "remix" of Rosalind’s previous work, featuring an electrified grate and a system that slowly fills the chamber with water. [S5E4] The Choice
Detectives Harper and Lopez track down a warehouse used by Rosalind's accomplice, Jeffrey Boyle, to build the tank. In Season 5, Episode 4, titled " The
Officers Tim Bradford and Lucy Chen enter the basement area below the tank. The situation is particularly triggering for Lucy, who survived a similar ordeal at Rosalind's hands in Season 2. In Season 5