The exclusionary rule: Its effect on innocence and guilt

Tonja Jacobi*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The exclusionary rule is the principal constitutional remedy for police violations of Fourth Amendment rights. It prevents juries from considering relevant evidence, so as to deter future police misconduct. The Supreme Court acknowledges that preventing admission of potentially determinative evidence will allow some guilty defendants to go free, but it justifies the rule on the ground that no other remedy properly deters police abuse, harassment, or other misconduct. But this assumes two quite questionable facts. First, it assumes that the rule does actually effectively deter, despite the fact that there are still many incentives for police to engage in illegal evidence-gathering mechanisms: to get contraband off the street, to discourage crime by policing aggressively, to maintain arrest statistics, or to legally use illegally gained evidence in other ways, such as against coconspirators. Second, the Court's analysis also assumes that the effect of the rule will only be to set some guilty people free, and not to convict some innocent people. Many scholars, judges, and lawyers have debated whether the exclusionary rule effectively deters police misconduct, but everyone has assumed that the second claim is obvious, since the exclusionary rule only excludes inculpatory evidence, not exculpatory evidence. This chapter outlines a different concern with the exclusionary rule: that it sets the guilty free at the expense of convicting innocent defendants.

Original languageEnglish (US)
Title of host publicationThe Constitution and the Future of Criminal Justice in America
PublisherCambridge University Press
Pages79-92
Number of pages14
ISBN (Electronic)9781139108034
ISBN (Print)9781107020931
DOIs
StatePublished - Jan 1 2012

ASJC Scopus subject areas

  • Social Sciences(all)

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