McKamey Manor: Inside America's most extreme haunted house

Warning: this video contains graphic scenes.
McKamey Manor is one of the most extreme haunted house experiences in the US. Located in Russ McKamey’s San Diego backyard, the full ‘haunt’ lasts eight hours, yet no one has managed to complete it. McKamey has amassed a cult following online and says there is a 27,000-person waiting list, but does his event cross the line from fright to torture?