Martha Grinder was a serial killer who was hanged in Allegheny County in 1866. Known as the "Pittsburgh Poisoner", her ghost is still seen wandering around town. Despite all folklore to the contrary, I don't believe she did it. In fact, I think she may have been a good person who was targeted.

On Christmas Eve of 1937 in Trumbull County, Ohio, beautiful steel heiress Louise Campbell grew impatiently bored at the family Christmas party. The ensuing events fueled by eggnog led to her mother's death.

What possessed Bertha to murder her mother? Apparently, her dad. He was the local butcher with a thriving business. Right before Christmas in 1897, he died of a heart-attack at the breakfast table. After that, his ghost followed Bertha around to complain about how lonely he was.

Charlotte Jones was the first woman to be executed in Allegheny County, Pennsylvania. She did anything for love...even that.

Michael Ruminski murdered his wife and almost got away with it in style.

The Old Allegheny County jail in Pittsburgh has been haunted for over a hundred years by William Culp. There's a real person behind the ghost, and Willliam Culp never belonged in jail to begin with. Now he can't leave.