Tammy, if you can find that letter again and post it, I'll ping the list to it.
I suspect a lot of folks would become a bit more incensed - as you were - if they could see it.
I could not locate the letter, but here are some links you and others may find interesting.
http://federaldaily.com/federaldaily/archive/2003/Mar/FD032103.htm
http://www.usdoj.gov/ola/2001reportz.pdf
http://66.102.7.104/search?q=cache:AM1MYYbeUM8J:www.wola.org/publications/ddhr_mexico_brief_text.htm+Mexican+Military+Incursions+&hl=en
http://www.ndu.edu/library/n2/n015605j.pdf
Newspapers along the border that have reported incidents are Sign on San Diego, El Paso Times, The Arizona Daily Star and Sierra Vista Herald.