Suspected South Korean traitors are herded into lorries on their way to execution – an incident that was later investigated by a United Nations observer. 1950 (Photo by Haywood Magee/Getty Images)

Indian Mukti Bahini guerilla troops preparing to bayonet men who collaborated with the Pakistani Army during East Pakistan's fight to become the independent state of Bangladesh. The round of executions are taking place at the racetrack in Dacca (Dhaka). (Photo by William Lovelace/Getty Images). 1971

General Idi Amin Dada seized power after a coup in January 1971. The cruelty of his repressive regime became legendary. Ex-Officer in the Ugandan Army and alleged “guerrilla” Tom Masaba is stripped of his clothes and tied to a tree before his execution at Mbale. (Photo by Keystone/Getty Images)

The first Nazi General to be executed, Anton Dostler, is tied to a post in Aversa to face a US Army firing squad. He was tried by an American military tribunal for the summary shooting of 15 prisoners while serving as the General Commanding the 75th German Army Corps. (Photo by Keystone/Getty Images). 1945

The body of the fascist leader Nickhazi Janos being cut down after he was hanged. (Photo by Keystone Features/Getty Images). 1946

A man convicted of murder is imprisoned in a wooden cage on a street in China. He will be left to die of thirst,starvation and exposure. (Photo by General Photographic Agency/Getty Images). Circa 1930

Former Hungarian Ambassador to Berlin, Doeme Sztojay, facing the firing squad in Hungary. He was executed for forming Hungary's first “Quisling” Government. (Photo by Keystone/Getty Images). 6th September 1946

Master Sergeant John Wood of San Antonio, Texas, preparing a noose for a convicted Nazi war criminal. Sergeant Wood is the official hangman at the war trials. (Photo by Keystone/Getty Images). 19th November 1945

The execution of a German spy by French troops during World War one. (Photo by Hulton Archive/Getty Images). Circa 1916

Russian womenfolk identify their loved ones, executed in numbers by the Nazis, as lines of people wait to conduct the sad search. (Photo by Keystone/Getty Images). September 1941

An executed spy, lies dead and blind-folded under a cross. (Photo by Topical Press Agency/Getty Images). 1st June 1915

Benito Mussolini (1883–1945) and Clara Petacci's body hung up and exposed for insult in Milan, with those of other fascists, Favolini and Teruzzi. They were caught by Italians at Donga, on Lake Como, and were tried and shot. (Photo by Keystone/Getty Images). 28th April 1945

A revolutionist kneeling at the side of a grave, his arms tied, awaiting the death blow which will send him to his grave, in the Chinese Revolution 1912. (Photo by Hulton Archive/Getty Images)

The crowd gathers to watch as people hold down a victim who is tortured and executed during the Revolution in China 1912. (Photo by Hulton Archive/Getty Images)

Chinese soldiers stand round as a prisoner is made ready for execution during the 1912 Revolution in China. (Photo by Hulton Archive/Getty Images)

Self confessed Nazi spy Richard Jarczyk is examined an declared dead after his execution by US Army doctors. Jarczyk had confessed to operating behind the lines of the US 7th Army where he sabotaged equipment and killed American soldiers. (Photo by Horace Abrahams/Keystone/Getty Images). 1945

Manchurian henchmen working for the Japanese put a noose around the neck of a Chinese patriot during the Sino-Japanese War. (Photo by Three Lions/Getty Images). Circa 1935

The public execution of a “Boxer” leader in China at point-blank range during the Boxer Rebellion. (Photo by Keystone/Getty Images). 1900

Two guards perform an execution in China, one holding the gun, the other holding a mask over the victim's face. (Photo by General Photographic Agency/Getty Images). Circa 1925

A Chinese prisoner tied to a post before being executed in a campaign of mass execution in Shanghai. (Photo by Three Lions/Getty Images). 1949

A firing squad aim and prepare to fire at a man whose comrade already lies dead on the ground beside him. (Photo by General Photographic Agency/Getty Images). Circa 1925