supergrass

he became a supergrass after turning in his former friends.

the police relied on the supergrass to gather crucial evidence.

being a supergrass can put your life in danger.

the trial relied heavily on the testimony of the supergrass.

some people view supergrass as a traitor to their community.

after becoming a supergrass, he had to change his identity.

the gang was dismantled thanks to the information from the supergrass.

many fear the consequences of being labeled a supergrass.

the supergrass's revelations shocked the entire city.

he was ostracized after he became a supergrass.