I am not a lawyer but I think precedents have the force of law, and the "Miranda rights" were established by the Supreme Court's ruling on Miranda vs Arizona: h

I am not a lawyer but I think precedents have the force of law, and the "Miranda rights" were established by the Supreme Court's ruling on Miranda vs Arizona: https://en.wikipedia.org/wiki/Miranda_v._Arizona https://en.wikipedia.org/wiki/Miranda_v._Arizona Any law enforcement is screwing themselves by not advising a suspect about his "Miranda" rights. They are risking blowing up the case and forcing the courts to toss evidence that could be critical to achieve a conviction.