In Coffey v. United States, the Supreme Court considered the question of whether a defendant could be convicted of a crime if the evidence presented at trial was obtained through an illegal search and seizure. The case arose when the defendant, Coffey, was arrested and charged with the possession of stolen goods. At trial, the prosecution presented evidence that had been obtained through an illegal search and seizure. The defendant argued that the evidence should not be admitted because it was obtained in violation of the Fourth Amendment. The Supreme Court held that the evidence should not be admitted because it was obtained in violation of the Fourth Amendment. The Court reasoned that the exclusionary rule, which prohibits the use of illegally obtained evidence, was necessary to protect the rights of individuals from unreasonable searches and seizures. The Court also noted that the exclusionary rule was necessary to deter law enforcement from engaging in illegal searches and seizures. The Court's decision in Coffey v. United States established the exclusionary rule as a means of protecting the rights of individuals from unreasonable searches and seizures. The Court's decision has been cited in numerous cases since then, and it remains an important precedent in Fourth Amendment jurisprudence.

Justice Field delivered the dissenting opinion in Coffey v. United States, arguing that the majority's decision was contrary to both precedent and sound legal reasoning. He argued that a defendant should not be held liable for an act which is only criminal because of its consequences, as opposed to being inherently wrong or immoral. Furthermore, he noted that Congress had never intended such a result when it passed the statute at issue in this case; rather, they had sought to punish those who committed acts with malicious intent or reckless disregard for others' safety. Finally, Justice Field contended that if Congress wanted to make all persons responsible for their actions regardless of intent then it would have done so explicitly instead of leaving room for interpretation by courts and juries alike. In conclusion, Justice Field believed that holding defendants accountable without regard to their mental state was unjust and could lead to arbitrary results depending on how each individual judge chose interpret the law in question.