supergrass

(redirected from supergrasses)
Also found in: Dictionary, Thesaurus, Idioms.

supergrass

an informer whose information implicates a large number of people in terrorist activities or other major crimes
References in periodicals archive ?
Last night Mr Kilfoyle said the secretive powers which allow royal pardons to be granted to supergrasses continue to be used and were leading to the corruption of the criminal justice system.
Supergrasses Charles Bowden and Russell Warren helped to convict John Gilligan's gang and are now living a new life broad.
Mr Goldberg, also a part-time Crown Court recorder, was involved in one of the region's most high-profile trials involving the use of supergrasses.
EX-UVF chief Mark Haddock was charged with murdering a rival based on "unwholesome" evidence from "supergrasses", a court heard yesterday.
Most people who live under the scheme are supergrasses, criminals who turn on their underworld associates.
Byline: By JIMMY CUNNINGHAM ..HDLN: WE'LL GET KILLERS WITH SUPERGRASSES
Yesterday, his lawyer Patrick Gageby claimed the conviction was unsafe because the evidence of state supergrasses Russell Warren and Charlie Bowden was not backed up by any proof.
But the system failed as almost half of the supergrasses retracted statements and many of those convicted were cleared on appeal.