Whether a defendant may suppress evidence derived from illegal electronic surveillance that violated another person's Fourth Amendment rights, including the rights of a codefendant or coconspirator.
Holding
No. Fourth Amendment rights are personal, and a defendant may seek suppression only when the surveillance violated that defendant's own protected interests.
Reasoning
The exclusionary rule excludes evidence obtained through a violation of the defendant's own Fourth Amendment rights, including both unlawfully overheard statements and evidence derived from them. But the rule does not extend merely because a defendant is harmed by the introduction of evidence obtained through an invasion of someone else's privacy.
Prior decisions, including Goldstein, Wong Sun, and Jones, established that a person is aggrieved by an unlawful search only when he was its victim or target in the relevant Fourth Amendment sense—not when he is simply prejudiced by evidence gathered from another person. Codefendants and coconspirators receive no special exception to that principle.
The Court rejected the argument that broader standing was required to deter unlawful police conduct. Deterrence supports excluding evidence against the person whose privacy the Government invaded, but the additional deterrent benefit of permitting vicarious challenges did not justify withholding probative evidence from criminal trials. Statutory criminal and civil remedies for unlawful electronic surveillance also reinforced the conclusion that the Constitution did not require broader exclusion.