Although the infrastructure endured critical destruction in Tet gun battles, it sustained the heaviest losses being a direct consequence of American counterespionage strategies, previous Viet Cong members acknowledge. 1 Th?i gian g?n ?ây, m?t s? ??i t??ng là công dân Vi?t nh?ng vì quy?n l?i v? k?, b? k? x?u, các t? ch?c ph?n ??ng lôi kéo d