Well, since a significant fraction of the American population apparently believes that we ought to go full Venezuela, and since a similar fraction (mainly the same folks) think that legal judgments ought to be based on what "groups" you belong to, there is a fair chance that we will see that sort of system here within a few years.
Indeed, while no bullets to the head are being administered (yet), people suspected of thoughtcrimes are routinely fired in much of corporate America and expelled in much of college America. It is, admittedly a bit step from firing/expulsion to execution, but the groundwork is being done.