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Miranda v. Arizona

Facts

Ernesto Miranda was arrested in Arizona and taken into police custody in connection with a serious criminal investigation. After arrest, Miranda was interrogated at the police station.

Miranda was questioned by police while in custody. He was not informed that he had the right to remain silent or that he had the right to consult with an attorney before and during questioning. He was not told that statements could be used against him in court.

During the interrogation, Miranda made incriminating statements. Police obtained a written confession, which Miranda signed. The confession was introduced at trial and used as key evidence in obtaining Miranda’s conviction.

Miranda appealed, arguing that his confession was not truly voluntary in a constitutional sense. He contended that custodial interrogation creates pressures that undermine the Fifth Amendment privilege against self-incrimination and that without procedural safeguards, confessions are the product of coercion—even absent physical abuse.

The Supreme Court consolidated Miranda’s case with other similar cases raising the same issue: whether statements obtained during custodial interrogation are admissible when the suspect has not been adequately informed of constitutional rights.

Issues

Must police advise a suspect of specific rights before custodial interrogation in order for statements to be admissible under the Fifth Amendment?

Rule

Under the Fifth Amendment privilege against self-incrimination, statements made during custodial interrogation are inadmissible unless police first provide the following warnings (Miranda warnings):

  1. the right to remain silent

  2. that anything said can and will be used against the suspect in court

  3. the right to consult with an attorney and to have an attorney present during interrogation

  4. if the suspect cannot afford an attorney, one will be appointed

After warnings, the suspect must knowingly, intelligently, and voluntarily waive these rights for interrogation to proceed.

Application

The Court recognized that custodial interrogation is inherently coercive. When a suspect is isolated in a police-dominated environment, psychological pressure can compel speech, even without physical coercion. Because the Fifth Amendment protects against compelled self-incrimination, the law must provide safeguards to ensure statements are truly voluntary.

The Court rejected the view that traditional “voluntariness” tests were sufficient. Case-by-case evaluation of coercion was too uncertain and provided inadequate protection, particularly given the realities of modern police interrogation methods.

Instead, the Court adopted a bright-line procedural requirement: police must provide clear warnings before questioning begins whenever a suspect is both (1) in custody and (2) subject to interrogation. These warnings ensure that the suspect understands the right not to speak and the right to counsel.

If warnings are not given, statements obtained are presumptively inadmissible in the prosecution’s case-in-chief. The Court saw suppression as necessary to enforce Fifth Amendment rights in the interrogation context.

Applying this framework, Miranda’s confession was inadmissible because he was interrogated in custody without being informed of his rights. The confession therefore violated the Fifth Amendment.

In future cases, Miranda becomes one of the most tested criminal procedure doctrines in American law. It provides a clear two-step analysis: determine whether custody and interrogation existed, then determine whether warnings were given and whether waiver was valid.

Holding

The Court held that Miranda’s confession was inadmissible.

Because police failed to provide required warnings before custodial interrogation, admitting the confession violated the Fifth Amendment privilege against self-incrimination.

Court

The case was decided by the United States Supreme Court. It arose from a state conviction based on a custodial confession. The Court reversed and established mandatory warning procedures for custodial interrogation.

Exam Notes

  1. Miranda warnings required before custodial interrogation

  2. Two triggers: custody + interrogation

  3. Fifth Amendment protection against compelled self-incrimination

  4. Waiver must be knowing, intelligent, voluntary

  5. Failure to warn → statements inadmissible in prosecution’s case-in-chief

  6. One of the most high-yield bar doctrines of all time

  7. Often tested with: custody definition, interrogation definition, invocation of rights

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