'Anti-ICE' Found on Dallas Gunman's Shell Casing in Another Act of American Political Violence.

DALLAS – Authorities are calling it an act of targeted violence after a gunman opened fire from a rooftop outside an Immigration and Customs Enforcement detention facility on Wednesday in Dallas.

One detainee died, and two others were injured.

Authorities say the gunman was 29-year-old Joshua Jahn, who fired randomly at the building and at a van filled with detainees before turning the gun on himself.