The Watcher S01e05 -

The episode ends with the contractors discovering a hidden, Prohibition-era tunnel in the basement. Dean and Nora find evidence that someone has been living there, and the episode closes with them chasing a mysterious figure through the passage.

Ellie discovers a Facebook group for former students of an English teacher named Roger Kaplan , who used to have his students write "love letters" to houses. This makes Roger a primary suspect for the origins of the Watcher's poetic and creepy writing style. Fact vs. Fiction The Watcher s01e05

While the series is famously based on a true story, this episode introduces several highly fictionalized elements: The episode ends with the contractors discovering a

In real life, there were no secret tunnels found under 657 Boulevard. This makes Roger a primary suspect for the

The real-life Broaddus family (the inspiration for the Brannocks) reportedly remained a united front. The subplot of Nora suspecting Dean of being "The Watcher" was created for dramatic tension.

Real-world investigators did find female DNA on one envelope, but it did not lead to an arrest or a breakthrough in the case. Deep Dive Resources