A documentary detective story is even more fascinating than the most sophisticated fiction. A story that shocked all of Europe and formed the basis of Thomas Harris's book about Hannibal Lecter. A mysterious and cruel maniac, nicknamed the Monster of Florence, successfully hid from the police for several decades. Many innocent people were arrested on charges of the brutal murders he committed, one of whom was the famous crime journalist Mario Spezi, the only one who managed to get on the trail of the real killer...