Directed by William Brent Bell, this found-footage horror film follows Isabella Rossi as she investigates a triple murder committed by her mother during an unauthorized exorcism . The Symbols Inside the Devil Inside | Don't Worry, Be Mappy
most commonly refers to a 2012 supernatural horror film that became a cultural talking point for its unique marketing and controversial ending. However, the title also identifies a 2000 cult-classic PC game , a significant comic book arc , and various television episodes. 1. The 2012 Film: A Cultural Phenomenon