Many men killed Julius Caesar. Only one man was determined to kill the killers. From the spring of 44 BC through one of the most dramatic and influential periods in history, Caesar's adopted son, Octavian, the future Emperor Augustus, exacted vengeance on the assassins of the Ides of March, not only on Brutus and Cassius, immortalized by Shakespeare, but all the others too, each with his own individual story. The last assassin left alive was...