This is a real disturbing escalation, much worse than shooting across the border. I am surprised there isn't more attention on a literal terrorist attack by IED in the United States that actually killed a person. Maybe it's time we returned fire.

Sid Miller, Texas Ag Commissioner: "A tragic and alarming incident occurred near Brownsville, Texas, where a US citizen and Texas rancher was killed by an improvised explosive device (IED). This shocking act of violence highlights the growing threat posed by cartel activity along our southern border,"