All of These Were in the Three-Part Balancing Test for Confidential

All of these were in the three-part balancing test for confidential sources established in the Branzburg v. Hayes 1972 Supreme Court case, except ...

A) Identifying the source had to be critical and necessary to the resolution of a significant legal issue
B) There was no other way to obtain the critical and necessary information
C) There had to be an overriding public interest in disclosure of the source
D) There would be no other way for the prosecutor, complainant or special investigator to successfully conclude the case without disclosure of the source