Explore the collaboration between Texas law enforcement and the FBI, focusing on the Dallas field office's efforts in ...

CORPUS CHRISTI, Texas — Authorities in Texas said they thwarted a "mass casualty attack" after arresting a 21-year-old who allegedly made terroristic threats against local police officers.

Gregori had allegedly "planned an attack on police similar to the 2016 Dallas ambush," the FBI's Houston field office said in a statement. In July 2016, 25-year-old Micah Xavier Johnson shot police ...