Even though the infrastructure suffered really serious damage in Tet gun battles, it sustained the heaviest losses for a direct consequence of yank counterespionage techniques, former Viet Cong associates acknowledge. Tình hu?ng gi? ??nh là t? ch?c ph?n ??ng n??c ngoài liên t?c ch? ??o m?t s? ph?n t? x?u trong n??c, mua chu?c, kích ??ng, lôi