Mexican drug cartels' newest weapon: Cold War-era grenades made in U.S.

Grenades made in the United States and sent to Central America during the Cold War have resurfaced as terrifying new weapons in almost weekly attacks by Mexican drug cartels. Sent a generation ago to battle communist revolutionaries in the jungles of Central America, U.S. grenades are being diverted from dusty old armories and sold to criminal mafias, who are using them to destabilize the Mexican government and terrorize civilians, according to U.S. and Mexican law enforcement officials. Grenades have killed a relatively small number of the 25,000 people who have died since Calderón launched his U.S.-backed offensive against the cartels. But the grenades pack a far greater psychological punch than the ubiquitous AK-47s and AR-15 rifles -- they can overwhelm and intimidate outgunned soldiers and police while reminding ordinary Mexicans that the country is literally at war. There have been more than 72 grenade attacks in Mexico in the last year, including spectacular assaults on police convoys and public officials. Mexican forces have seized more than 5,800 live grenades since 2007, a small fraction of a vast armory maintained by the drug cartels, officials said...more