There have also been more than 72 grenade attacks in Mexico in the past year, including spectacular assaults on police convoys and public officials. Most of those grenades appear to be ones that were made in the United States and given to Central American armies during the Cold War.
Sent a generation ago to battle communist fighters in the jungles of Central America, U.S. grenades are being diverted from dusty old armories and sold to gangs.
The majority of grenades in Mexico have been traced back to El Salvador, Guatemala, Honduras and Nicaragua, according to investigations by the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives and their Mexican counterparts. Almost 90 percent of