Two men accused of killing a U.S. Immigration and Customs Enforcement (ICE) Special Agent in a 2011 ambush near Mexico City have been extradited from Mexico to face charges.
Jesus Ivan Quezada Piña, 28, and Alfredo Gaston Mendoza Hernandez, 33, appeared Tuesday before a judge in Washington, D.C.
The men are accused of murder of an officer or employee of the United States and other crimes in the death of ICE Special Agent Jaime Zapata and the attempted murder of ICE Special Agent Victor Avila on Feb. 15, 2011.
Zapata was killed and Avila was wounded when their SUV was run off the road by at least two vehicles loaded with armed men.
The agents were traveling from San Luis Potosi to Mexico City at the time of the ambush, officials said.
Quezada Piña and Mendoza Hernandez were ordered held without bail.
Four defendants have pleaded guilty to their roles in the crime with some admitting the ambush was the act of Mexico's Zetas gang.
A fifth defendant, Jose Emanuel Garcia Sota, 35, was extradited to the United States on Oct. 1, 2015, and is currently awaiting trial.