When Information from a Criminal Informant Is Used, the Name

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

A) must always be reported in the affidavit
B) may not ever 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