Not much is known about the man who became Chicago's serial killer the White City Butcher, except that he moved around a lot as a kid. So much that he never knew anyone and no one knew him long enough to see what he became. Because he lived in many different houses, he was able to gain entrance to them without leaving traces of forced entry.
He was defeated by the Ghost, who then put the demon Beleth in his body as part of her deal with Beleth. Shortly after that, he was captured by the Chicago police.