Found this bit related to Oswald Johnston, not sure if directly related, but still interesting:
''Helms Quit in Rift with Kissinger -
The resignation of Richard M. Helms as director of the Central Intelligence Agency (CIA) stems largely from "a serious and continuing policy disagreement" with White House adviser Henry A. Kissinger, the Washington Star-News said yesterday. Staff writer Oswald Johnston quoted "informed sources in the intelligence community" as the basis of his story on the Kissinger-Helms rift.''
https:// cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=SBS19721205.1.18