03/28/2008 02:45 am ET Updated May 25, 2011

Mexico Police: 100 Percent Of Drug Killings Committed With Smuggled US Guns

Assassins blasted Ricardo Rosas Alvarado, a member of an elite state police force, with a blizzard of bullets pumped out of AK-47 assault rifles.

Alvarado crumpled at the wheel of his sedan, yet another victim of the weapons known here as "goat's horns" because of their curved ammunition clips, and which can fire at a rate of 600 rounds per minute. The killing, Mexican authorities said, was a panorama of blood, shattered glass and torn metal that brutally showcased the firepower of Mexico's drug cartels. But that was just the warm-up.

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