The Supreme Court tossed Mexico's $10-billion lawsuit against U.S. gun makers, but the case forced U.S. officials to acknowledge that thousands of guns are smuggled into Mexico from the United States.

In a unanimous blow to gun control advocacy groups, the Supreme Court shut down Mexico’s $10 billion claim targeting U.S. gun makers in a

The case focused on whether the Mexican government could sue U.S. manufacturers over claims that they shared blame for violence by drug cartels.