"The Watcher" is a mysterious figure associated with a house in Westfield, New Jersey. In 2014, a family purchased the home and began receiving unsettling letters from an anonymous sender, who referred to themselves as "The Watcher." The letters contained personal details about the family and expressed a fascination with the house's history. The situation gained widespread media attention, leading to legal battles and public intrigue. The identity of "The Watcher" remains unknown, and the case has sparked discussions about privacy, safety, and the impact of social media on local stories.