Snitch verb – To give information (as to the authorities) about another's improper or unlawful activities. Report and snitch are semantically related. Sometimes you can use "Report" instead a verb "Snitch". Nearby Words: snitched, snitching
In Liar Game, during the Contraband game, Yokoya enforced a point-based loyalty scheme to guarantee loyalty from the members of his team that they would spy on the other members and report any dishonesty to him, where he would give more money to the snitch.
Cassandra Truth: How Newton & Ned get rid of Renfrew in "A Snitch in Time"; since's he's a tattletale, they cause him to witness all kinds of unusual things, knowing he'll report it to Ned's parents and be made to look crazy.