Definition of turn state's evidence in English:

turn state's evidence

phrase

Law
  • Give evidence for the prosecution.

    ‘persuading one-time gang members to turn state's evidence’
    • ‘Personally, I was surprised neither one of them tried to turn state's evidence against the other.’
    • ‘I decide to turn state's evidence against the Bamboo Union, in particular against some very senior members on some very serious crimes.’
    • ‘Anthony had made a deal with the District Attorney to turn state's evidence and testify against Smith, if they ever caught him.’
    • ‘It displays the old left assumption that all state sector workers should turn state's evidence, and state's investigator.’
    • ‘They'll either prosecute him or they'll let him roll and turn state's evidence and get some kind of immunity.’