27-year-old Ryan Mosqueda of Michigan opened fire at the RGV Border Patrol Annex before being killed; Agent Ismael García injured but stable.

UPDATE: Authorities Identify Suspect in McAllen Shooting That Left One Dead, One Agent Injured
27-year-old Ryan Mosqueda of Michigan opened fire at the RGV Border Patrol Annex before being killed; Agent Ismael García injured but stable.