When Information Is Used from a Criminal Informant,the Name of the Informant

When information is used from a criminal informant,the name of the informant:

A) must always be reported in the affidavit.
B) never has to be reported in the affidavit.
C) need not be disclosed unless the informant information is part of an agreement with the prosecutor in a pending criminal case against the informant.
D) need not be disclosed if his or her credibility is otherwise satisfactorily established.