I am looking for for quotes and info regarding just what Tom Hayden
did when it was quoted that he worked for, cooperating with US
intelligence while protesting the Vietnam war.
I have some leads but nothing really substantial:

  Tom Hayden, who by 1986 was defending his state assembly seat against
     those trying to oust him because of his anti-war record, was quoted
     as saying that while he was protesting against the Vietnam War, he
     was also cooperating with U.S. intelligence agents.[21]

21.  AP in San Francisco Examiner, June 21, 1986.

And this link which mentions Hayden and South Africa:

http://www.islam.co.za/themessage/thesis/thesis_5/chapter_6.htm

An actual quote or link to the AP/ SF Examiner would be helpful but
any thing else will be too