When Zapata rolled down his window, members of the Los Zetas cartel opened fire on them, fatally wounding Agent Zapata and wounding Avila, who is now recovering in the U.S., reports the 
        El Paso Times
      .
The two agents were on assignment from the ICE office in Laredo, Texas, working out of Mexico City. In Laredo, Agent Zapata had  served on the Human Smuggling and Trafficking Unit as well as the  Border Enforcement Security Task Force.
On Wednesday, 
        President Obama
       called Agent Zapata's parents to offer condolences on the loss of their  son. A White House spokesman told Fox News Obama will "work with the  Mexican government to bring the assailants to justice."
Agent Zapata had served with ICE for four years and had  previously served with the U.S. Border Patrol for four years.
Special Agent Zapata began his federal law enforcement career as a member of the U.S. Border Patrol in  Yuma, Ariz. A native of Brownsville, Texas, Special Agent Zapata  graduated from the University of Texas at Brownsville in 2005 with a criminal Justice degree.