exactly. >> how could the gun have passed from stefano mele to the monster of florence? ot a clue when he managed to interview mele at the halfway house where he was being held. >> this is very important. he said, they will kill again. they, not he. >> who is they? >> that's when spezi realized that this man had not acted alone. he had had at least two accomplices. >> so many secrets buried in the tuscan hills, and another was about to be unearthed. police slowly realized that the 1968 murder was far more than the act of a jealous husband. >> it was actually a group of sardinians who had settled in tuscany, and it appeared to be a clan killing in which the husband was the fall guy. he was going to be the shooter, he was the guy who was going to take the fall, but there were three other men involved. and each one had a motive. >> the group from the island of sardinia was known to be insular and violent. its leader, salvatore vinci, had a bizarre relationship with stephano mele and his wife. >> it turned out they had been involved in absolutely kinky and depraved group sex