Illinois Law Enforcement Training and Standards Board (ILETSB) Practice Exam

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Study for the Illinois Law Enforcement Training and Standards Board Exam. Prepare with flashcards and multiple choice questions, each with detailed explanations. Ace your exam and advance your career with confidence!

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In Mapp v. Ohio (1961), what was established regarding evidence obtained in violation of the Fourth Amendment?

Such evidence can be used in state law only.
Such evidence is admissible in both state and federal court.
Such evidence cannot be used in state law.
Such evidence must be reviewed by a federal court.

The correct answer is: Such evidence cannot be used in state law.

In Mapp v. Ohio (1961), the Supreme Court established the exclusionary rule applicable to state courts, which means that evidence obtained in violation of the Fourth Amendment—specifically pertaining to unlawful searches and seizures—cannot be used in state court. This landmark ruling effectively extended the protections of the Fourth Amendment through the Due Process Clause of the Fourteenth Amendment, ensuring that individuals have a right to be free from unreasonable searches and the evidence gathered in violation of that right is inadmissible in legal proceedings. The decision highlighted the importance of constitutional protections against unlawful government actions and reinforced the principle that if law enforcement officers disregard these protections, the evidence they collect should not be admissible in a court of law, thus protecting citizens' rights. This case was pivotal in shaping the legal landscape regarding due process and the treatment of evidence in both state and federal legal systems, specifically ensuring that the exclusionary rule applies universally, not just at the federal level.