A gunman on Wednesday opened fire at an Immigration and Customs Enforcement facility in Dallas , killing one detainee and critically wounding two other detainees, officials said.

The gunman was found dead from a self-inflicted gunshot wound after firing "indiscriminately" at the ICE field office building from a nearby rooftop, the Department of Homeland Security said. No ICE officers were hurt in the attack.

DHS initially reported that two of the victims had been killed, but later issued a corrected press release.

The suspect was identified as 29-year-old Joshua Jahn, who has lived in Texas and Oklahoma, senior law enforcement officials told NBC News.

FBI Director Kash Patel said an "initial review of the evidence shows an [ideological] motive behind this attack."

"One of th

See Full Page