"-- The Black Market. Mexico is a virtual arms bazaar, with fragmentation grenades from South Korea, AK-47s from China, and shoulder-fired rocket launchers from Spain, Israel and former Soviet bloc manufacturers.
-- Russian crime organizations. Interpol says Russian Mafia groups such as Poldolskaya and Moscow-based Solntsevskaya are actively trafficking drugs and arms in Mexico.
- South America. During the late 1990s, the Revolutionary Armed Forces of Colombia (FARC) established a clandestine arms smuggling and drug trafficking partnership with the Tijuana cartel, according to the Federal Research Division report from the Library of Congress.
-- Asia. According to a 2006 Amnesty International Report, China has provided arms to countries in Asia, Africa and Latin America. Chinese assault weapons and Korean explosives have been recovered in Mexico.
-- The Mexican Army. More than 150,000 soldiers deserted in the last six years, according to Mexican Congressman Robert Badillo. Many took their weapons with them, including the standard issue M-16 assault rifle made in Belgium.
-- Guatemala. U.S. intelligence agencies say traffickers move immigrants, stolen cars, guns and drugs, including most of America's cocaine, along the porous Mexican-Guatemalan border. On March 27, La Hora, a Guatemalan newspaper, reported that police seized 500 grenades and a load of AK-47s on the border. Police say the cache was transported by a Mexican drug cartel operating out of Ixcan, a border town."
http://www.foxnews.com/politics/200...mall-fraction-guns-mexico-come/#ixzz1z3upap2X
"only 17 percent of guns found at Mexican crime scenes have been traced to the U.S."