Mexico's poppy war: Mexican army fights opium surge feeding U.S. heroin demand

The Mexican army says its fight against surging opium production that feeds U.S demand is increasingly complicated by the rise of smaller gangs disputing wild, ungoverned lands planted with ever-stronger poppy strains.
The gangs have engulfed the state of Guerrero in a war to control poppy fields, turning inaccessible mountain valleys of endemic poverty and famous beach resorts into Mexico’s bloodiest spots.
From this frontline of the fight against heroin, Col. Isaac Aaron Jesus Garcia &m