The plot was hatched by leaders of the diaspora gathered in a ballroom in Boston on the evening of July 8, 1920.
Operation Nemesis was funded by donations from hundreds of wealthy businessmen and professionals across the country.
The assassins included a hodgepodge of young men from around the world — a shoe factory worker in Watertown, Massachusetts; an accountant in Syracuse, New York; a former reconnaissance scout with the Russian army; a gunrunner from Constantinople, and a soldier who once served in Persia.
And their mission was to avenge the 1.5 million victims of the Armenian genocide, the brutal extermination of an entire people by agents of the Ottoman Empire during and after the World War I.