Los Zetas
The deadly ex-special forces soldiers of Los Zetas were the beginning of a new paramilitary force that changed the face of the Mexican drugs war.
The deadly ex-special forces soldiers of Los Zetas were the beginning of a new paramilitary force that changed the face of the Mexican drugs war.
The Nazi camp doctors and scientists of the Third Reich conducted hideous experimentation on patients in an attempt to achieve medical break-throughs.
A callous killer of children, the Tehran Desert Vampire would suffer a public execution before the families of his many victims.
Stalin's Secret Police conducted many secret operations, and were responsible for countless murders, blackmail, assassinations and massacres.
One of the Hell's Angels Filthy Few, the Mad Bumper was their most lethal hitman, until he became embroiled in an internal rivalry.
Known as the Wolf of Moscow, Vasili Komaroff was one of the earliest known serial killers to emerge from the Soviet Union.
The SS set-up a special unit that investigated the crimes of the SS camp staff, while millions of people were being systematically murdered.
In what was the first war crimes trial against the Nazis, the members of the Kharkov administration would be tried for crimes against humanity.