Not enough evidence, my word against theirs, anonymous informant, that sort of thing.

Enter our old friend, the anonymous informant.

The anonymous informant maintained the corruption totaled about $80 million, but investigators said the final figure could turn out to be more or less than that.

He was no longer interested in sensational revelations by anonymous informants.

"Fagan told me all his troubles," said the anonymous informant.

The main question that was presented was, "May a judge issue a search warrant on basis of partially corroborated anonymous informant's tip?"

An anonymous informant advised police of the whereabouts of the suspects.

They were concealed for two years, until they were betrayed by an anonymous informant in August 1944.

Copas suggests that the information came from an anonymous informant whom he had met and mistakenly befriended in a chat room.

The students were caught by Georgia Tech police acting on a tip provided by an anonymous informant.