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Topic
Catching serious offenders through the minor offences they also commit — Roach and Pease's 'those who do big bad things also do little bad things'.
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Self-selection policing uses minor offences as lawful triggers to look for wider criminality. The evidence supports the idea that serious offenders are often offence-versatile; applying the same logic to police misconduct is plausible, but still needs testing.
Professor Jason Roach helped develop self-selection policing: using selected minor offences as behaviour-based opportunities to identify wider serious offending. His wider contribution is practical psychology built for police use.
