The mysterious video was filmed In October 2017 at Deerpark CBS, secondary School in Cork, Ireland, after motion-activated cameras were installed on site. School is built near the site of the city’s Medieval Gallows Green public hanging location and close to where a mass grave was discovered in 1990 and has now been analysed by American-based paranormal investigators and mediums, who are convinced the school is haunted. Video show closed-circuit television footage from a school security camera that caught a poltergeist opening and closing doors and knocking over signs. The video was a viral hit. It earned coverage by a wide variety of outlets, including Today and the New York Post, and racked up more than 12 million views within a few weeks on youtube.