A family purchases a house in an affluent neighborhood and only three days later begins to receive eerie and threatening letters from someone who calls themselves "The Watcher".
Kate did some great research on this one, and goes into the details of the case, the investigation, and theories (because, yup: it's still unsolved).
You don't want to miss this one!
Sources:
1) https://www.independent.co.uk/news/world/americas/crime/the-watcher-netflix-stalker-new-jersey-b2175373.html
2) https://www.housebeautiful.com/design-inspiration/real-estate/a28680321/657-boulevard-westfield-new-jersey-watcher-house-sold/
3) https://www.thecut.com/article/the-haunting-of-657-boulevard-in-westfield-new-jersey.html
4) https://nj1015.com/the-watcher-house-on-netflix-what-really-happened/
5) https://en.wikipedia.org/wiki/Westfield,_New_Jersey