The fact is that when you buy pot on the black market, there's usually no way to know where it came from.
New Juárez Police Chief Julian Leyzaola promises to restore order in the city and win the trust of its citizens.
Department of Homeland Security officials said it was only in a preliminary research phase.
Arizona Attorney General Tom Horne said authorities are still looking for the ringleader, who is at large in Mexico.
Federal agents arrested the father-son owners of a popular string of restaurants in Arizona and California, Wednesday morning. They are accused of hiring illegal immigrants and paying them under the table.
After three weeks of patrolling county lines by aircraft, Sheriff Joe Arpaio says he plans to scrap Operation Desert Sky in which volunteers have boarded their own airplanes to look for drugs and smugglers crossing the Maricopa County Border.
An accused Mexican drug lord being held on charges in the United States has filed an unusual motion in federal court: He's challenging the U.S. government, saying he had been working with its own federal agents in Mexico.
Federal law enforcement regularly arrests people for smuggling weapons across the border into Mexico. But it's not everyday that they detain a mayor, a town trustee and a police chief as suspected gun traffickers.
Two officers from the department’s Professional Standards Bureau Inspections Unit explained to the five-member Kidnapping Statistics Review Panel that poor classification is at the root of the statistical discrepancies.
The accused were trying to buy the military weaponry for the Sinaloa Cartel. Court documents show they used pounds of crystal meth for a down payment on the weapons.