turn king's/queen's evidence

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Related to turned King's evidence: Queen's evidence

turn king's/queen's evidence

To provide evidence in court implicating other parties involved in the crime for which one has been charged, in order to receive a reduced sentence or to avoid prosecution altogether. Primarily heard in UK. We're leaning on him pretty hard, so we think he'll turn king's evidence and finger his accomplices.
See also: evidence, turn

turn King’s/Queen’s ˈevidence

(British English) (American English turn State’s ˈevidence) give information against other criminals in order to get a less severe punishment: One of the gang turned State’s evidence and identified at least three others involved in the fraud.
See also: evidence, turn
References in periodicals archive ?
When they were arrested, Hare turned King's evidence and Burke was made the fall guy and hanged in front of 25,000 people in 1829.
But they were eventually discovered and Hare turned King's Evidence so only Burke was hanged.
But the murder of their 16th victim led to their arrest, and Hare turned King's evidence, which sent Burke to his death on the gallows in January 1829.
His fellow body-snatcher, William Hare, turned King's evidence and was not brought to trial.
It took a while to gather evidence against them - but one, Benjamin Walker, turned King's evidence - and they were arrested in October 1812, tried at York early in January 1813 and Mellor was accused of being the murderer with two others, William Thorpe and Thomas Smith, charged with aiding and abetting him to commit the crime.