The casket of slain Immigration and Customs Enforcement Agent Jaime Zapata, 32, sits at the front of the Brownsville Events Center in Brownsville, Texas, Tuesday during a funeral Mass attended by more than 1,000 people. He and his partner were ambushed on the road in Mexico. (Associated Press)

The casket of slain Immigration and Customs Enforcement Agent Jaime Zapata, 32, sits at the front of the Brownsville Events Center in Brownsville, Texas, Tuesday during a funeral Mass attended by more than 1,000 people. He and his partner were ambushed on the road in Mexico. (Associated Press)