This classic study profiles serial killers, gentleman murderers, and every stripe of madman in between. Benjamin Pitezel should never have trusted H. H. Holmes. In 1894, the two men conspired to fake Pitezel's death for the sake of a $10,000 insurance settlement. But Holmes decided murder would be simpler. He killed his partner, kidnapped three of his children, and tried to claim the insurance money as his own. The scheme unraveled and Holmes killed...