Criminal Procedure
United States v. Calandra, 414 U.S. 338 (1974)
Study notes for United States v. Calandra: professor notes, cold call prep, exam angles, and memory aids.
The exclusionary rule does not apply to grand jury proceedings, protecting the investigatory function of grand juries.
In United States v. Calandra, the Supreme Court addressed the applicability of the exclusionary rule in the context of grand jury proceedings. The Court highlighted that the grand jury function is distinct and serves as a critical investigatory tool for the government. Emphasizing the balance between individual rights and the societal interests of prosecutorial efficiency, the Court concluded that applying the exclusionary rule in this context could undermine the effectiveness of grand juries, whose primary role is to determine whether there is probable cause to believe a crime has been committed.
Moreover, the Court noted that the exclusionary rule's purpose is to deter unlawful police conduct; however, applying it to grand jury proceedings would not effectively serve this deterrent function. This case underscores the ongoing tension in criminal procedure between protecting individual constitutional rights and maintaining the integrity and efficacy of the judicial system's investigative mechanisms.
C-Grand Jury Can't Exclude (indicating grand jury's investigatory function is not hampered by exclusionary rule)
| Case | Distinction |
|---|---|
| Mapp v. Ohio | Mapp established the exclusionary rule as applicable in state courts, contrasting with Calandra's focus on grand jury proceedings. |
| Miranda v. Arizona | Miranda addressed self-incrimination in custodial interrogations, while Calandra dealt with the limits of the exclusionary rule in investigative grand jury settings. |
Applying the exclusionary rule in grand jury proceedings could significantly hinder criminal investigations and impede justice.
The exclusionary rule is essential for upholding Fourth Amendment rights and preventing government overreach, and it should apply in all contexts.
Students may encounter this case in exams as it relates to the exclusionary rule's application and the role of the grand jury in criminal investigations. Be prepared to analyze potential impacts on prosecutorial practices.