Soldiers stand guard as bystanders look at a crime scene in the municipality of San Nicolas de los Garza
Soldiers stand guard as bystanders look at a crime scene where five men were gunned down in a drive-by shooting in the municipality of San Nicolas de los Garza, neighbouring Monterrey May 11, 2011.
Police officers stand guard next to a car with bullets holes on its exterior outside the stadium of Santa Catarina Pinula, in the outskirts of Guatemala City, July 22, 2012.