Still, research has revealed that poltergeist cases are almost always caused by a living human.
The Windmill The Windmill was once said to be haunted by a poltergeist.
Instead, a poltergeist is believed to be a form of psychokinetic energy manifested by a living person who is unaware of what they are doing.
As all the doors and windows to the room were still locked when we discovered the scene, we first suspected a poltergeist.
If the shadow leaves you cold, we hear tell the cells there have been plagued by a poltergeist too.