A drug specialist in the Mexican army shows crystal methamphetamine paste seized at a clandestine laboratory in Mexico’s Baja California in August. Much of the meth sold in the U.S. today comes from Mexico, according to U.S. drug enforcement officials.

A drug specialist in the Mexican army shows crystal methamphetamine paste seized at a clandestine laboratory in Mexico’s Baja California in August. Much of the meth sold in the U.S. today comes from Mexico, according to U.S. drug enforcement officials.