We agree; a wolf is a wolf. Many don't acknowledge that people are the same as dogs and wolves: ultimately good or bad; social or feral. A wolf may lay low its entire life but its instincts have not been bred out. A bad man may follow society's structure to the grave for fear of retribution, but he is not good. Dormant evil relies on the social, genteel, progress oriented nature of the good.

I also agree with your skepticism regarding claims of innocence in here. Bias and bribery are minimized by a panel of multiple judges, and prosecution is rarely attempted if the evidence is not conclusive.

Neither does innocence of a specific crime make one good. Regardless of a dog's potential for rehabilitation, once it becomes too dangerous it must be eliminated the same as a wolf.