A profile of the German serial killer Joachim Georg Kroll, who hunted and ate parts of his victims, earning him nicknames such as `the Duisburg Man-Eater' and `the Ruhr Cannibal'.

An insight into the crimes of Thierry Paulin, who attacked, robbed and murdered at least 18 elderly women in France during the 1980s, to fund his extravagant lifestyle.