A shooter opened fire at a Border Patrol facility in McAllen, Texas, on Monday morning, a Department of Homeland Security spokesperson said.Border Patrol agents and local police helped "neutralize" the shooter,

An active shooter with a rifle and tactical gear reportedly shot at Border Patrol agents arriving at an annex facility

Authorities say a 27-year-old man was killed after opening fire at a U.S. Border Patrol facility in McAllen, Texas.