Their crimes span the globe but one thing unites them they are sixteen of the twentieth century's most notorious serial killers. In this well-researched volume, find out their motives and what made them tick. Walk the path of investigators who broke cases and listen to the words spoken from the killers mouth. All of them made their communities tremble in fear. They include 9679 Johann Otto Hoch, who moved to America from Germany in the 1890s and married a string of women. Instead of being the man of their dreams, he became their worst nightmare. 9679 Fritz Haarmann, The Vampire of Hanover, killed dozens of young male vagrants and prostitutes from 1919 to 1924 in Germany. 9679 Bela Kiss, a Hungarian serial killer, killed young women and tried pickling them in giant metal drums. 9679 Robert Hansen, who began killing prostitutes in Alaska around 1980. He'd let them flee in the wilderness before hunting them down with a knife and rifle. Learn about these and other serial killers. Find out