Leopold and Loeb Read more about Leopold and Loeb In 1924, two Chicago rich kids killed for kicks, for the intellectual challenge posed by 'the perfect crime'.
Peter Manuel Read more about Peter Manuel Psychopath Peter Manuel is Scotland's most notorious serial killer, murdering at least eight people in Glasgow in the 1950s.
Mary Bell Read more about Mary Bell Mary Bell was only 11-years-old when she killed 4-year-old Martin Brown and 3-year-old Brian Howe.
John Straffen Read more about John Straffen John Straffen became the UK's longest serving prisoner after he murdered three little girls in the 1950s.
Edmund Kemper: The Co-ed Killer Read more about Edmund Kemper: The Co-ed Killer Any one of ten traits can indicate someone is a serial killer. Edmund Kemper has them all.