To free his father and himself from his mother's tyranny, Pierre Rivi re decided to kill her. On June 3,1835, he went inside his small Normandy house with a pruning hook and cut to death his mother, his eighteen-year-old sister, and his seven-year-old brother. Then, in jail, he wrote a memoir to justify the whole gruesome tale. Michel Foucault, author of Madness and Civilization and Discipline and Punish, collected the relevant documents...