The 1909 execution of four cold-blooded killers reinstitutes the death penalty in France.

A serial killer terrorizes mid-19th century Paris.

A respected legal advisor leads a secret life as an acid bath murderer.

The murder of a wood merchant leads to a controversial French court case in 1924.

A woman, locked away by her family for 25 years, is discovered in 1901.

The wife of a former prime minister literally murders her husband's critics in 1914.

The killing of a family of peasant farmers in 1946 remains unsolved to this day.

A bloody gang war erupts in Paris at the turn of the 20th century.

The "Monster of Ain" terrorizes the French countryside from 1855 to 1861.

A respected businessman turns out to have led a double life at the height of the Great Depression.