In the 1992 case Verl Hadley v. United States, Verl Hadley appealed his conviction for conspiracy to distribute and possession with intent to distribute methamphetamine. The Supreme Court was asked to consider whether a police officer's testimony about an informant’s tip, which led to Hadley's arrest and subsequent conviction, violated the Confrontation Clause of the Sixth Amendment because it prevented cross-examination of the informant. The court ruled that there was no violation as long as such hearsay evidence is not crucial or devastating. In this case, other substantial evidence supported Hadley's guilt beyond just the informant’s tip-off; therefore, any potential error in admitting hearsay evidence did not have a significant impact on determining his guilt.

In the dissenting opinion for Verl Hadley v. United States, 1992, it was argued that the majority's decision to uphold Mr. Hadley's conviction under a federal statute prohibiting possession of firearms by convicted felons was incorrect and inconsistent with previous rulings on similar cases. The dissenting justices believed that the government had failed to prove beyond reasonable doubt that Mr. Hadley knew he was considered a felon at the time of his arrest and therefore knowingly violated this law - an essential element in securing a conviction under this particular statute according to prior case law interpretations. They also expressed concern about potential implications for future defendants who may be unaware of their legal status as felons due to complexities or ambiguities within state laws or sentencing procedures, arguing such individuals should not be held criminally liable for unknowingly violating federal firearm prohibitions.