The exclusionary rule is a rule that suppresses evidence obtained illegally or unconstitutionally by police. It applies in around 1.3% of criminal cases and about 50% of defendants are still convicted even when evidence is suppressed. There are several exceptions to the rule including the independent source doctrine, discovery doctrine, good faith exception, and purge taint doctrine. There is debate around both supporting and replacing the exclusionary rule, with alternatives proposed such as an independent review board or civil actions against the government.
For community policing to be successful, and crime reduction efforts to be effective, citizens must have trust in the police. The trust element has to be earned by actions, not just words. In evaluating evidence and making credibility determinations, the decision maker should consider all relevant factors. The exclusionary rule is a method of incentive to do so. The rule promotes accountability and education for police officers. This presentation will familiarize law enforcement officers with the Exclusionary Rule because the success or failure of criminal prosecutions sometimes depends on it.
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