Horrifying History on Instagram: "This frantic video captures a security officer witnessing what he believes is a poltergeist. The footage begins with multiple alarms blaring throughout the building as the officer pans the camera across an empty office space. He expresses disbelief, noting that his colleague is out on patrol and he is alone. The tension peaks when a large overhead light panel suddenly crashes to the floor, causing the officer to shout in shock and quickly retreat. The text overl