More recently, in May 2002, three armed Mexican troops in a military Humvee on the U.S. side of the border near Ajo, Ariz., fired on a Border Patrol agent in his vehicle. As the agent drove away from the scene, a bullet shattered the back glass of his Chevy Tahoe patrol vehicle, which was clearly labeled with U.S. Border Patrol markings.

House Immigration Reform Caucus chairman Rep. Tom Tancredo, R-Colo., told the Washington Times a year ago that his office had documented 118 instances where Mexican military or law enforcement had been seen on U.S. soil. In 60 percent of those cases, he said, the Mexicans were armed.

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All the more reason we should be using the military to supplement border security. There are too few Border Patrol agents and if Mexican security and military personel are coming in to the US, then there should be a vigorous response. Personally, I feel this is an area in which Bush has failed miserable. There is far too much concern about the Hispanic vote. I understand it because the Republicans want to prevent the Democrats from having the Hispanic vote, but something has to change.

Given the lack of response by US law enforcement to violence instigated against illegal immigrants by US vigilantes along the border, it would be understanable if the Mexican military was present there, however, it does seem rather strange that they'd fire on a US government vehicle. The likely explanation is that illegal immigrants or immigrant smuggler's were impersonating Mexican authorities in order to appear legitimate. Has the Mexican government responded to these incidents?