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Police Conduct in R v Mason Justified Exclusion

“In R v Mason, exclusion was justified where police conduct undermined the integrity of the investigation.⁸”
True
Confidence: High Checked on March 22, 2026

Summary

In the case R v Mason, the court upheld the exclusion of evidence, finding that the police’s conduct compromised the integrity of the investigation and therefore warranted exclusion under the exclusionary rule. This aligns with the cited legal analysis of the case.

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Sources 60 searched

supremecourt.gov
ojp.gov
theguardian.com
bbc.com
  • Freemasons to sue Met Police over membership declaration

    UGLE, which dates back to 1717, describes Freemason societies as being among the "oldest social and charitable organisations in the world", with its principles being "integrity, friendship, respect and service". However, they are widely believed to be secretive societies and have previously been linked to allegations of corruption within the Met. The Met's decision means officers and staff are now required to declare membership "past or present" of any organisation that is "hierarchical, has confidential membership and requires members to support and protect each other".

scocal.stanford.edu
law.cornell.edu
scholarlycommons.law.northwestern.edu
  • Journal of Criminal Law and Criminology Volume 106 | Issue 4 Article 1

    application of the exclusionary rule does not require inquiry into the mental state of the · police.” 555 U.S. at 157 n.7 (Ginsburg, J., dissenting); see also United States v. De Leon- Reyna, 898 F.2d 486, 490–91 (5th Cir. 1990) (arguing that the belief that evidence should · not be excluded unless the officer’s conduct was dishonest or reckless “ignores the

courses2.cit.cornell.edu
  • Exclusionary Rule

    In justifying its decision, the majority stated that the exclusionary rule is not a constitutional right, but a judicial remedy whose purpose is to deter police from conducting searches in violation of the Fourth Amendment by excluding from evidence the fruits of those unconstitutional searches.

canliiconnects.org

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