an excellent illustration of a lawful courier is Nguyen Van Lem, who had a allow to trade auto tires in Saigon. With that cover, Lem used tire shipments to smuggle weapons and explosives for that revolutionaries. Tr??c nh?ng ho?t ??ng ch?ng phá ??t n??c, có hành vi xâm ph?m an ninh qu?c gia, Lê V?n Th??ng ?ã b? kh?i t? v? hành vi ho?t ??ng