The Ammons haunting case occurred in Gary, Indiana where numerous movies have been filmed; and the Department of Child Services was alerted to the Ammon family whose story was sensationalized by news outlets.
The Ammons haunting case, also known as the 200 Demons House or Demon House, is an alleged haunting and demonic possession which occurred in Gary, Indiana, in the United States in 2011. In 2014, Zak Bagans purchased the house for $35,000 and demolished it in January 2016 after filming a documentary in it, titled Demon House that was released on March 16, 2018. In 2012, the Department of Child Services (DCS) was alerted to the family. Sensational stories published in outlets such as the New York Daily News reported that DCS personnel had allegedly witnessed the youngest boy "walking up the wall backwards". 
