WHAT TO KNOW
* One person detained in ICE custody was killed in a shooting at an ICE facility in Dallas on Wednesday morning, according to the latest statement from the Department of Homeland Security. Two people are in critical condition. The DHS previously said two detainees had been killed. * Three detainees were shot when a person “fired indiscriminately” at an ICE building and a van in the sallyport, the Department of Homeland Security says. * The shooter opened fire from the roof or elevated position of an adjacent building, according to an ICE spokesperson. * Several senior law enforcement officials briefed on the investigation have identified the suspected gunman as 29-year-old Joshua Jahn. * The suspected shooter died from a self-inflicted gunshot wound, according to Homeland