Converse of object

• participate: Of course that is not to say that every detail of the use of a participating informer should be released.

• turn: The bizarre rivalry between the two women had led Hamilton to turn police informer.

• become: Rashleigh, who has become an informer, is killed by Rob Roy during an attempt on Frank's life.

• pay: I now know that he has been a paid informer for many years.

• use: They have now set up special security intelligence agency for activist groups and are using informers.

Converse of subject

• betray: David Nagle was betrayed by an informer and arrested near Cork City in July, 1823.

Adjective modifier

• suspected: He would have taken part in anything up to forty murders of suspected informers.

• registered: Strathclyde Police has always denied McGraw was a registered police informer.

• common: The Bill, like the legislation it will replace, will be what is sometimes called a " common informers " Act.

• German: The Gestapo was used to track down these enemies of the state, greatly helped by ordinary German informers.

• military: Over 15 military informers confirmed that the stirring was caused by the arrival of more American experts in UFO phenomena and alien creatures.

Noun used with modifier

• police: The bizarre rivalry between the two women had led Hamilton to turn police informer.

• government: One day, my cousin caused a fight with several government informers.

• security: He knew quite well that Mohammad Mansour, a security police informer, was recording my sermons from the bathroom in the mosque.

• state: Stealing from a fellow thief, turning state informer and a host of other offenses were punished by execution.

Possessives

• fee: He was not informed about it nor did he get his informer's fee from the BIR.

Preposition: for

• police: Albanian informer for Serb police, on plans to murder Albanians and commit atrocities that could be blamed on the KLA.