In the case of Ansbro v. United States in 1895, the Supreme Court ruled on a matter involving an individual named Thomas Ansbro who was convicted for perjury during his naturalization proceedings. The primary issue at hand was whether or not false statements made by Ansbro about his residency duration in America could be considered as perjury under federal law. The lower court had found him guilty and sentenced him to imprisonment. The Supreme Court upheld this decision, ruling that any deliberate falsehoods stated under oath during such proceedings indeed constituted perjury according to federal laws. This verdict reinforced the importance of truthfulness throughout all stages of legal processes and set a precedent for future cases related to immigration fraud.

In the dissenting opinion for ANSBRO v. UNITED STATES, it was argued that the defendant's constitutional rights were violated due to an improper jury instruction. The dissenting justices believed that the trial judge erred in instructing the jury they could find Ansbro guilty if they believed he had a general intent to defraud, even if there was no specific intent to defraud any particular individual. They contended this broad interpretation of "intent" allowed for conviction based on mere suspicion or probability rather than certainty beyond reasonable doubt - a standard necessary in criminal cases. Furthermore, they disagreed with majority’s view about evidence sufficiency and asserted that circumstantial evidence presented at trial did not conclusively prove guilt but merely created suspicion against Ansbro which is insufficient ground for conviction under law.