Soldiers walk at a crime scene where four people were killed by hitmen, in Ciudad Juarez

 
Soldiers walk at a crime scene where four people were killed by hitmen, in Ciudad Juarez
Soldiers walk at a crime scene where four people were killed by hitmen, in Ciudad Juarez March 23, 2010. U.S. Secretary of State Hillary Clinton promised on Tuesday to help Mexico broaden a drug war that has failed to curb traffickers' increasingly deadly power along the U.S.-Mexican border. Mexico's drug violence is a major political test for President Felipe Calderon and a worry for Washington, foreign investors and tourists. REUTERS/Alejandro Bringas (MEXICO)