Allegations about official complicity in the drug business are nothing new when they come from activists, professors, campaigners or even former officials. However, an official spokesman for the authorities in one of Mexico's most violent states - one which directly borders Texas - going on the record with such accusations is unique.
"It's like pest control companies, they only control," Guillermo Terrazas Villanueva, the Chihuahua spokesman, told Al Jazeera last month at his office in Juarez. "If you finish off the pests, you are out of a job. If they finish the drug business, they finish their jobs."
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