Judges Commons^™

Impeachment Exception To The Exclusionary Rules: Policies, Principles, And Politics, The , James L. Kainen

Faculty Scholarship

The exclusionary evidence rules derived from the Fourth, Fifth, and Sixth Amendments continue to play an important role in constitutional criminal procedure, despite the intense controversy that surrounds them. The primary justification for these rules has shifted from an "imperative of judicial integrity" to the "deterrence of police conduct that violates... [constitutional] rights." Regardless of the justification it uses for the rules' existence, the Supreme Court continues to limit their breadth "at the margin," when "the acknowledged costs to other values vital to a rational system of criminal justice" outweigh the deterrent effects of exclusion. The most notable limitation on …