A couple buys their dream home. Before they can move in, they begin being harassed by an unknown evil referred to simply as "The Watcher." This man or woman watched their every step and wrote threatening letters to the couple. Learn all of the creepy details about this case in this week's episode of Killin Missin Hidden!SHOW NOTEShttps://www.thecut.com/2018/11/the-haunting-of-657-boulevard-in-westfield-new-jersey.htmlhttps://www.nytimes.com/2019/08/09/nyregion/the-watcher-ho...