Turn King’s/Queen’s evidence

verb

To provide evidence against others, especially in a legal case, in exchange for immunity or leniency.

After getting caught in the crime, the defendant decided to turn King’s evidence in order to avoid a harsh sentence.

Formal

Idiomatic

verb

After getting caught in the crime, the defendant decided to turn King’s evidence in order to avoid a harsh sentence.

Formal

Idiomatic

Definition 1 of 1

Pro Tip 1/3

The phrase is commonly used in legal contexts and might not be understood outside of this domain.

In court dramas, characters sometimes turn King's evidence for a reduced sentence.

Pro Tip 2/3

Originally UK-based, it refers to 'King' or 'Queen' depending on the reigning monarch.

As she agreed to turn Queen's evidence, she felt like a character from a historical novel.

Pro Tip 3/3

Implies a deal where someone gives up information in exchange for a lighter sentence or immunity.

He negotiated to turn King's evidence and get out of jail time.

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