Anders Behring Breivik is a Norwegian far-right terrorist who committed the 2011 Norway attacks.
Adolf Hitler. As dictator of the German Reich, he initiated World War II in Europe with the invasion of Poland in September 1939, and was central to the Holocaust.
The Moors murders were carried out by Ian Brady and Myra Hindley between July 1963 and October 1965, in and around Manchester, England. The victims were five children aged between 10 and 17.
Josef Mengele was a German Schutzstaffel (SS) officer and physician in Auschwitz concentration camp during World War II. Mengele was a notorious member of the team of doctors responsible for the selection of victims to be killed in the gas chambers and for performing deadly human experiments on prisoners.
Karla Leanne Homolka also known as Karla Leanne Teale and Leanne Bordelais, is a Canadian serial killer who, with her husband Paul Bernardo, raped and murdered at least three young women.
Benito Mussolini was an Italian politician, journalist, and leader of the National Fascist Party (Partito Nazionale Fascista; PNF), ruling the country as Prime Minister from 1922 to 1943. He ruled constitutionally until 1925, when he dropped all pretense of democracy and set up a legal dictatorship. Known as Il Duce (The Leader), Mussolini was the founder of Italian Fascism.
Reinhard Heydrich was a main architect of the Holocaust, and a high-ranking German Nazi official during World War II.
Himmler’s SS organized and administered Germany’s regime of concentration camps and, after 1941, the holocaust in Poland.
Andrei Romanovich Chikatilo was a Soviet serial killer, nicknamed the Butcher of Rostov, the Red Ripper, and the Rostov Ripper, who committed the sexual assault, murder, and mutilation of at least 52 women and children between 1978 and 1990 in the Russian SFSR.
Charles Milles Manson is an American criminal and former cult leader who led what became known as the Manson Family, a quasi-commune that arose in California in the late 1960s. Manson’s followers committed a series of nine murders at four locations in July and August of 1969.
Aileen Carol Wuornos was an American serial killer who killed seven men in Florida between 1989 and 1990 by shooting them at point-blank range.
Jeffrey Dahmer, also known as the Milwaukee Cannibal, was an American serial killer and sex offender, who committed the rape, murder, and dismemberment of seventeen men and boys between 1978 and 1991.
Osama Bin Laden was the founder of al-Qaeda, the organization that was responsible for the September 11 attacks on the United States, along with numerous other mass-casualty attacks worldwide.