ICE agents Jaime Zapata (HY-may sah-PAH-tah) and Victor Avila were driving from the northern city of Monterrey to Mexico City on Feb. 15 when suspected Zeta drug cartel members forced Zapata's vehicle from a roadway and opened fire. The shots killed Zapata and wounded Avila twice in the leg. Avila was released from a Houston hospital last week.
Mexican authorities said Wednesday a suspect had been detained.
Obama told President Felipe Calderon in a telephone call Wednesday that neither the United States nor Mexico could tolerate violence against those who protect and serve the citizens.
Calderon will visit the White House next week.
