One of the first modern serial killers could have had as many as 200 victims, his spree was recounted in a bestselling 2003 book.
Not far from the Chicago World's Fair, where got most of his victims, he opened up his own hotel, later dubbed 'Murder Castle,' solely for the purpose of carrying out his crimes.
His capture, arrest, trial and eventual execution were covered widely by
Born in Gilmanton, New Hampshire, his father was said to be an alcoholic, and his mother a devout Methodist.
The TV series Supernatural, starring Richard Speight, included a ghostly image of him in one of the show's episodes.