Lauryn Licari in "Unknown Number" on Netflix. (Netflix)Netflix's new documentary Unknown Number: The High School Catfish proves that sometimes, the call really is coming from inside the house. And sometimes, the person on the other end of the line is - spoiler alert - your mom.The new documentary focuses on Lauryn Licari, a then-13-year-old high school student in Beal City, Mich., who, in October 2020, began receiving cruel, anonymous texts along with her boyfriend Owen McKenney. The messages briefly paused before resuming in September 2021.