they say there's no two people on earth exactly the same: no two faces, no two sets of fingerprints but do they know that for sure? Because they would have to get everybody together in one huge space and obviously that's not possible, even with computers. Not only that, they would have to get all the people that ever lived, not just the ones now. So, they got no proof: they got nothing. Mrs. Soprano may have passed but who's to say there isn't another Mrs. Soprano just like her? Or will be? Maybe not with the same fears and paranoia but... the same