Homeland Security Secretary Janet Napolitano speaks in the White House briefing room in Washington, Tuesday, March 24, 2009, about the situation along the border with Mexico. The Obama administration plans to send more agents and equipment to fight Mexican drug cartels and keep violence from spilling into the U.S. Napolitano said deploying the National Guard to the border was still under consideration.
A bullet riddled pick-up truck is towed after unknown gunmen opened fire on it, killing a man and a woman, in Tijuana, Mexico, Tuesday, March 24, 2009.
A Mexican marine stands guard along the U.S.-Mexico border in Tijuana, Mexico, Wednesday, March 18, 2009. The Obama administration is preparing to send federal agents to the U.S.-Mexico border as reinforcements in the fight against Mexican drug cartels.
Mexican soldiers check the identity of a man during an operation searching for drugs and weapons in Reynosa, on Mexico's northeastern border with the U.S., late Tuesday, March 17, 2009.
Mexican soldiers patrol along the bank of the Bravo River near Los Guerra, on Mexico's northeastern border with the U.S., Wednesday, March 18, 2009. Mexico has deployed thousands of troops and federal agents to the border with the U.S. as part of a nationwide crackdown on drug cartels.
An Army officer checks a car seized from an alleged drug trafficking gang at an Army base in Reynosa, Mexico, Tuesday, March 17, 2009.
Army officers look at weapons seized during operations against drug trafficking gangs at a military base in Reynosa, on Mexico's northeastern border with the U.S., Tuesday, March 17, 2009. Mexico has deployed more than 40,000 troops and federal agents as part of the nationwide crackdown on drug cartels.
A soldier speaks on the phone near packages containing marijuana at a military base in Miguel Aleman, on Mexico's northeastern border with the U.S., Wednesday, March 18, 2009. The Army seized 80 kilograms of marijuana during a counter narcotics operation near Los Guerras.
A man is taken into custody by Mexico's army at the home where Central American migrants were being held hostage and later freed by the army in Reynosa, Mexico, late Tuesday, March 17, 2009. More than 50 migrants were being kept in captivity by a kidnapping gang in order to extort their families in exchange for their freedom.
A soldier patrols the backyard of a house in Nueva Ciudad Guerrero, Mexico, Thursday, March 19, 2009.
Soldiers patrol near the town of Miguel Aleman, on Mexico's northeastern border with U.S., Thursday, March 19, 2009.
Army soldiers guard a police station in the border city of Ciudad Juarez, Mexico, Monday, March 16, 2009. Retired and active-duty soldiers largely took over security in the violence-wracked city of 1.3 million, and a retired Army officer took over as head of police after the last law enforcement chief resigned after receiving threats.
Police and forensic officers work at the site where bodies were found on the outskirts of Ciudad Juarez, Mexico, Saturday, March 14, 2009. Police acting on a tip found seven bodies partially buried in the desert on the outskirts of the Mexican border city.
Federal police officers stand over suspects taken into custody in connection with a shooting in Tijuana, Mexico, Monday, March 9, 2009. Mexico's cartels are losing their grip on the prized U.S. drug market, largely because of a cross-border crackdown and a regional shift in worldwide cocaine consumption.