Barack Obama, the US president, has reiterated his administration's support for Mexico's fight against drug traffickers in a phone call to its president.
Violence along the US-Mexico border has skyrocketed since Felipe Calderon, the president of Mexico, sent government troops to confront the drug cartels.
Now there is a growing feeling that the military strategy has been counter-productive.
Al Jazeera's Mariana Sanchez reports.
March 23, 2010
