evidence (redirected from turn queen's evidence)

turn king's/queen's evidence

if someone who has been accused of a crime turns king's evidence, they give information in a court of law about other people involved in the crime in order to have their own punishment reduced. She was given a lenient sentence in exchange for turning king's evidence.

See also: turn

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in evidence

obvious. Police and ambulance crews were in evidence all over town after the storm.

Usage notes: sometimes used with much or very much for emphasis: Good sportsmanship is always very much in evidence in these competitions.