In the 1971 case Duncan v. Tennessee, the United States Supreme Court ruled in favor of William Duncan, who had been convicted for public drunkenness and disorderly conduct by a non-jury court in Nashville. The main issue was whether or not his Sixth Amendment right to a jury trial was violated due to the nature of his charges being petty offenses rather than serious ones. The Supreme Court held that even though these were minor crimes, they still fell under "criminal prosecutions" as defined by the Constitution and thus required a jury trial if requested by the defendant. This decision emphasized that all individuals charged with criminal offenses have an inherent right to be judged by their peers regardless of how severe or trivial their alleged crime may be.

In the dissenting opinion for Duncan v. Tennessee, Justice Black argued that the majority's decision to apply federal standards of jury trial rights to state courts was a misinterpretation of the Fourteenth Amendment. He believed that this amendment did not require states to adhere strictly to all aspects of federal law, but rather allowed them some flexibility in their own legal systems. Furthermore, he contended that it was inappropriate for the Supreme Court to dictate how individual states should conduct their trials and determine guilt or innocence. In his view, each state has its unique set of laws and circumstances which may necessitate different approaches towards criminal justice proceedings than those used at a federal level. Thus, while acknowledging the importance of safeguarding defendants' rights during trials, Justice Black maintained that these protections could be achieved without imposing uniformity across all jurisdictions.