Testimony from former Czech Major General Jan Sejna, the most senior Warsaw Pact officer ever to defect to the United States, was cited to the effect that a substantial number of U.S. servicemen were secretly transferred from Vietnam to Russia via Czechoslovakia for heinous experiments with chemical, biological, radiological warfare and mind-altering drugs.

CENTERFORSECURITYPOLICY: Center for Security Policy | Perot Makes Clinton ??An Offer He Can??t Refuse??: Get the Facts on POW/Mia??s Before Okaying New Imf Loans To Vietnam