More often than not, people make assumptions about haunted locations. They see an anguished or tragic history and say, "this place has to be haunted!" And, so, a parade of teams study Eastern State Penn or Trans-Allegheny Lunatic Asylum until the buildings are nothing more than haunted by eager teams. But, what if there was a way to narrow the field of potential haunted locations before you even try them out? What if you found a new location and wondered, "could it be haunted?" Without even setting up a cursory investigation, there are ways to go through a checklist and determine - does this place have the right elements to be a haunted vessel? In 2009, I took 50 of the most repeatedly reported haunted locations in America and looked for common features. I created what I called the Haunted Formula. By looking at the common features of these locations, I learned that, a building can have a tragic history and not be haunted or it can be haunted and there seemed to b...