If you hunt ghosts long enough, you’ll eventually run into this situation: a client who believes his or her home is under demonic assault. It’s always a tricky situation, and it’s always difficult to bring a resolution to these cases. More often than not, what you will be dealing with is a simple haunting—though this may not be evident at first look. You will have to go past the religious leanings, the paranoia, and (possibly) the hysteria that’s typically clouding an otherwise manageable case.
So, why do people often believe they are experiencing demonic infestation? Well, there are a couple reasons for this. The first is often the religious beliefs of the household. If the clients attend a church that promotes the idea of active demons, demonic possession, and infestation (or attended such a place in their youth), they will often be quick to jump to the conclusion that they are under just such an assault.
Another key factor is the overall fear level of the household. Not everyone is as thrilled as ghost hunters at the prospect of encountering a spirit! If the clients are afraid of what’s happening in their home, they can often come to think of these occurrences as a kind of negative activity. For instance, a door slamming is now done “in anger” rather than it, perhaps, being the simple act of an entity to get some attention.
http://www.llewellyn.com/journal/article/2176
