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 there is a 27,000 waiting list, but does is his event cross the line from fright to torture? Subscribe to The Guardian on YouTube ► http://is.gd/subscribeguardian Read: extreme haunted house – inside the real life kingdom of masochists ► http://www.theguardian.com/lifeandstyle/2015/oct/30/extreme-haunted-house-masochists-mckamey-manor Support the Guardian ► https://support.theguardian.com/contribute Today in Focus podcast ► https://www.theguardian.com/news/series/todayinfocus Sign up for the Guardian documentaries newsletter ► https://www.theguardian.com/info/2016/sep/02/sign-up-for-the-guardian-documentaries-update The Guardian ► https://www.theguardian.com The Guardian YouTube network: Guardian News ► http://is.gd/guardianwires Owen Jones talks ► http://bit.ly/subsowenjones Guardian Football ► http://is.gd/guardianfootball Guardian Sport ► http://bit.ly/GDNsport Guardian Culture ► http://is.gd/guardianculture