The Mexican border town of Guadalupe has been left with no police force after the last officer was kidnapped

Erika Gandara's house was set on fire by unidentified gunmen before she was abducted, according to the state prosecutor's office. All her colleagues had resigned or were killed in the region's drug war. More than 30,000 people have died in drug-related violence since 2006. Gandara, 28, had patrolled the town of 9,000 inhabitants on her own since June 2010. Guadalupe is about 3 miles from the US border.

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