[8ballrollin]

As Mr. Calderón has put more pressure on them, the drug cartels have lashed back at the government. Gunmen assassinated three police commanders in Tijuana this week and killed four federal agents last week in the states of Tamaulipas and Michoacán.

http://www.nytimes.com/2008/01/18/wo...cas&oref=login

Thousands of elite troops in battle gear stream toward border towns and snake through the streets in jeeps with .50-caliber machine guns mounted on top while fighter jets from the Mexican Navy fly reconnaissance missions overhead.

http://www.nytimes.com/2008/01/22/wo...l?ref=americas

The federal authorities stepped up their campaign against armed drug gangs and police corruption, sending soldiers to shut down temporarily the local police departments in Nuevo Laredo, Río Bravo, Miguel Alemán, Valle Hermoso and Matamoros, all in Tamaulipas State, and seized the officers’ weapons to investigate whether any guns were linked to crimes

http://www.nytimes.com/2008/01/23/wo...l?ref=americas