She was known as "The Witch of Buchenwald" by the inmates because of her alleged cruelty and lasciviousness toward prisoners. Survivor accounts of her actions describing her abuse of prisoners as extremely sadistic and cruel.
Grigori Yefimovich Rasputin was an uneducated peasant who gained a reputation as a faith healer. His strange behavior and incredible influence over the imperial family made him notorious and his death made him a legend.
Responsible for the Killing Fields and Year Zero Pol Pot waged a gruesome war on his own population.
Documentary series with each episode focusing on a solitary historical figure who, for various reasons, including despotism, canibalism, genocide, and too many atrocities to imagine, are considered some of histories most vile and appalling figures.