DALLAS — The sun had not yet risen when A.parked his car in an empty parking lot next to the U.S. Immigration and Customs Enforcement (ICE) Dallas field office.

A. is a Colombian immigrant who requested NPR only use his first initial because of concerns that speaking publicly could affect his pending immigration case.

It was about 5:45 a.m. Thursday, almost exactly 24 hours after a shooter opened fire at the facility from a nearby rooftop, killing one ICE detainee and injuring two more. It's unclear the motive of the shooter, but Trump administration officials and the FBI have called it a targeted act of violence directed at immigration enforcement agents.

A. was traveling to Dallas from Los Angeles, where he lives, when the shooting happened. Still, he showed up early the next day for

See Full Page