ICE head says deadly Dallas facility shooting "could have been worse," calling it an "indiscriminate" attack

The head of U.S. Immigration and Customs Enforcement said the shooting at a Dallas processing facility that left one detainee dead on Wednesday "could have been worse," telling CBS News the sniper's shots were "indiscriminate" and other people could have been hit during the attack.

Todd Lyons, ICE's acting director, said the shooter , who officials say died from a self-inflicted gunshot wound, " fired indiscriminately " into the ICE field office in Dallas and vehicles stationed there. He said a group of detainees was inside one vehicle at the time of the shooting, after being recently arrested by ICE.

Lyons said three detainees in ICE custody were shot, one fatally. He noted two detainees remained in critical condition as of Wednesday afternoon. ICE has said no agency emp