11.   Hiding drug shipments within the growing volume of goods exported from Mexico to the United States has become an increasingly favored method of smuggling cocaine.

12.   In exchange, he said, the Gulf cartel was able to move drug shipments freely throughout Mexico on their way to the US border.

13.   In the Southwest, troops help the U.S. Border Patrol, Customs Service and Drug Enforcement Administration guard against drug shipments from Mexico.

14.   It cited serious security problems at Tocumen International Airport, where there have been allegations that cargo and ramp workers are helping to move drug shipments.

15.   Military officials in Guerrero state argued recently that narcotics traffickers were lighting fires to pin the army down while moving large drug shipments.

16.   Most drug shipments from Latin America come into the United States on planes, drug enforcement officials say.

17.   Some claimed they had arranged the protection of drug shipments with Salinas directly.

18.   That border city is a staging point for drug shipments into El Paso.

19.   The squeeze sent more and more drug shipments through Arizona, the point of weakest resistance.

20.   Then came the anonymous phone calls, including one he received shortly after accompanying a group of Panamanian police as they tried to intercept a drug shipment.