King's evidenceUK
state's evidenceUSspecialized
turn Queen's evidence
to give evidence against someone else in this way: 供出同案犯的罪证;揭发其他案犯
He was allowed to go free as a reward for turning Queen's evidence against his former accomplices.
SMART Vocabulary: related words and phrases
Revealing secrets & becoming known
anti-secrecy
backchannel
bare
bare your heart/soulidiom
blow someone's coveridiom
blow/take the lid off somethingidiom
declassify
divulge
hold
huddle
kiss
put the word outidiom
rat
rat on someone/something
reintroduce
revealingly
state's evidence
surface
tip
unravel