Letters

摘要

Your article on the drug wars in Mexico claimed that half the guns seized by the Mexican police were "assault weapons" and that "nearly all" of those were bought in the United States ("Taking on the narcos, and their American guns", April 4th). However, Mexico doesn't trace all guns, and those traced are not picked at random. When Mexico seizes guns from criminals it sends to the United States those guns that it identifies as having come from the United States. This isn't a hard task as such guns are marked with a serial number and "Made in the usa". Only 17% of all guns were actually traced back to the United States.