By William La Jeunesse and Maxim Lott
You’ve heard this shocking “fact” before — on TV and radio, in newspapers, on the Internet and from the highest politicians in the land: 90 percent of the weapons used to commit crimes in Mexico come from the United States.
– Secretary of State Hillary Clinton said it to reporters on a flight to Mexico City.
– CBS newsman Bob Schieffer referred to it while interviewing President Obama.
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