A Mexican officer, Abigail Esparza Reyes, was killed during an operation in Tijuana targeting a United States fugitive.

Members of security forces work near a crime scene where a U.S. citizen shot and killed Abigail Esparza Reyes, 33, a top Mexican state police officer in an elite unit known as the "Gringo Hunters", which tracks and arrests U.

A wanted U.S. citizen shot and killed a top state Mexican police officer in an elite unit known as "the Gringo Hunters," which dedicates itself to arresting U.S. suspects who are fugitives in Mexico.