A gripping true story of assassination, conspiracy, intrigue, executions and revenge, published at the 125th anniversary one of the most infamous crimes in 19th century Ireland.On May 6, 1882, the top administrator of the British government in Ireland and his assistant are assassinated in Dublin?s Phoenix Park by men wielding surgical knives. The dead men are Lord Cavendish, married to the niece of Prime Minister Gladstone, and Thomas Henry Burke, head of the Irish Civil Service.The British government must solve this crime, but have no clues, no forensic medicine, and inconclusive witness descriptions. The police try to penetrate the Fenian underworld, but even here no one knows anything because the audacious crime has been carried out by an entirely new group, the ?Irish Invincibles?. This fascinating story reveals gives us a glimpse into that short-lived group of assassins who became a part of Irish lore and legend.