Episode 3, Sneak Peek

Here, the final act begins with the team being forced to rely on instincts, hoping that the past will provide some clue to the killer's identity. DI Joseph Chandler chases his "eureka moment" and goes door-to-door asking questions about his suspect. But when he ignores DS Miles' concern and goes in without back-up, knowing that time is ticking away, can he change the course of history and finally catch his Jack the Ripper copycat?

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