American drug policy has been a central component of U.S.–Mexican relations, and of Mexican drug policy, at least since 1969, when Richard Nixon unleashed Operation Intercept at the San Ysidro-Tijuana border, inspecting every vehicle that crossed the border with the hope, not of finding any drugs, but of pressuring the government of then-President Gustavo Díaz Ordáz to expand Mexican drug enforcement.
A U.S. War with Mexican Consequences
