There is honor among thieves. There has to be, if they are to be successful. Even lawbreakers require some sort of law, both in reality, where organized crime requires organization, and in fiction, where it is a standard trope that the Guild of Assassins (or whatever) has rules. The wicked still need some virtue to be effective, although it must be severed from the whole of virtue.
This explains a lot about politics. The rules and organization necessary for societal or group survival and success are not the same as justice; indeed, they may be nothing more than a predatory morality that enables cooperation in oppression.
Governments often begin as the biggest band of brigands around, and many never rise much beyond that. As Augustine put it in “The City of God,” “Justice being taken away, then, what are kingdoms but great robberies?” He illustrated this point with the tale of a captured pirate who told Alexander the Great