San Luis Potosi

According to officials, the men had been meeting with their counterparts in San Luis Potosi, where Mexico's federal police academy is located and where U.S. trainers teach.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

• Cartel gunmen shot U.S. agents, Mexican state governor says: The agents were returning from meetings with their U.S. counterparts in San Luis Potosi, where the Mexican federal police academy is located.

What might a government shutdown look like? Ed O 2011

The governor of San Luis Potosi, Fernando Toranzo, told reporters that the agents were attacked by the same criminal organizations responsible for the unprecedented violence in his state.

Cartel gunmen shot U.S. agents, Mexican state governor says William Booth 2011

In Mexico, two federal agents were shot Tuesday by unknown assailants in San Luis Potosi state, four hours north of Mexico City.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

According to officials, the men had been meeting with their counterparts in San Luis Potosi, where Mexico's federal police academy is located and where U.S. trainers teach.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

According to officials, the men had been meeting with their counterparts in San Luis Potosi, where Mexico's federal police academy is located and where U.S. trainers teach.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

In Mexico, two federal agents were shot Tuesday by unknown assailants in San Luis Potosi state, four hours north of Mexico City.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

The agents were returning from meetings with their U.S. counterparts in San Luis Potosi, where the Mexican federal police academy is located and where U.S. trainers teach.

Cartel gunmen shot U.S. agents, Mexican state governor says William Booth 2011

In Mexico, two federal agents were shot Tuesday by unknown assailants in San Luis Potosi state, four hours north of Mexico City.

Deputy U.S. marshal Derek Hotsinpiller, shot in the line of duty Lisa Rein 2011

They were returning from a meeting with fellow agents from Monterrey, who met them at a halfway point near San Luis Potosi to exchange technical equipment.

U.S. agent under attack in Mexico called for help 2011