Where do the Barretts Come From?

The eeeevil .50 caliber Barrett sniper rifle is demonized regularly when gun control advocates are pushing for new gun laws to save our neighbors across the Rio Grande. Here's some representative hysteria from the Violence Policy Center. The LA Times has had better coverage than most, and the article at the link mentions all of the black market guns not coming from the US.

Where could these things be coming from? Perhaps these guys have an idea:


Here's the original link: http://www.daylife.com/photo/0gOz0x9ahZdAz

Caption: Mexican Army elite troops shout military slogans during the Independence Day military parade in Mexico City, Tuesday, Sept. 16, 2008.

Large numbers of Mexican soldiers have defected to the drug cartels and taken their weapons with them. 150,000 in the last six years. These guys have access to Barretts. Connection?