In Gill v. United States (1895), the Supreme Court ruled on a case involving an individual who was charged with selling liquor to Native Americans, which was illegal under federal law at that time. The defendant, Gill, argued that he had sold the alcohol in good faith and without knowledge of their status as Native Americans. However, his argument did not hold up in court because it was determined that ignorance of the law or facts does not excuse criminal behavior unless there is a specific provision within the statute itself allowing for such defense. Therefore, even if Gill genuinely believed he wasn't breaking any laws when selling alcohol to these individuals due to lack of awareness about their ethnicity or legal restrictions against such sales - this didn't absolve him from liability for his actions according to existing legislation.

In the dissenting opinion for Gill v. United States, Justice Brewer argued that the court had overstepped its bounds by interpreting a statute in a way not intended by Congress. He believed that the majority's interpretation of "false making" as including altering or erasing parts of an existing document was too broad and inconsistent with previous rulings on similar cases. According to him, this expansive definition could potentially criminalize innocent actions such as correcting errors on documents. Furthermore, he contended that it was inappropriate for courts to expand upon legislative definitions based on their own interpretations rather than adhering strictly to what is written in law. In his view, if there were ambiguities or gaps in legislation, it should be up to lawmakers themselves - not judges - to clarify them through amendments or new laws.