[Fedora]

Here are some sources on that for reference:

On Peter Weiss, Richard Falk, the International War Crimes Tribunal, and the Winter Soldier Investigation: Crimes of War, editors Richard Falk, et al, New York: Random House, 1971; Robert Jay Lifton, Home from the War: Learning from Vietnam Veterans: With a new Preface and Epilogue on the Gulf War, Boston: Beacon Press, 1992 (1973, 1985), xxvii, 17, 459n1; Gerald Nicosia, Home to War: A History of the Vietnam Veterans’ Movement, New York: Crown Publishers, 2001, 82.

On Weiss as the VVAW's lawyer: Report, FBI, “Vietnam Veterans Against the War, Incorporated”, October 12, 1971, FBI HQ 100-448092, Section 7, online at www.wintersolider.com, http://ice.he.net/~freepnet/kerry/index.php?topic=VVAWFBI, pdf file HQ 100-448092 Section 7, 82-117 (see p. 96).

[Fedora]

Found some more on Cora Weiss and the VVAW: the Vietnamese delegation in Paris was using her to send covert messages to the VVAW. This is mentioned in Teletype, Tampa FBI Special Agent in Charge to FBI Acting Director, et al, “Vietnam Veterans Against the War, Incorporated”, October 30, 1972, FBI HQ 100-448092, Section 34, online at www.wintersolider.com, http://ice.he.net/~freepnet/kerry/index.php?topic=VVAWFBI, pdf file HQ 100-448092 Section 34, 75-78.