Mexico targets heroine poppy plantations
16 November 2011 Last updated at 21:26 GMT
Drug gangs in Mexico are moving deeper into rural areas to expand the production of heroin producing poppy crops.
It comes as police and army resources are over-stretched tackling problems in urban areas.
Recent estimates suggest Mexico is the second largest opium producer in the world, behind Afghanistan.
An American report says opium production has grown six-fold in four years.
Eric Camara reports.