From Times Online: Archaeologists unearth place where Emperor Caligula met his end.
Archeologists say that they have found the underground passage in which the Emperor Caligula was murdered by his own Praetorian Guard to put an end to his deranged reign of terror. (…)
Maria Antonietta Tomei, a Rome archeologist, said a cryptoportico or underground corridor discovered beneath the imperial palaces on the Palatine Hill matched exactly the description given by the Rome historian Suetonius, who says that the Emperor was stabbed to death after watching an entertainment. He left via the passageway, where the Praetorian Guard led by its commander, Cassius Chaerea, was lying in wait. [continue]