White House says Signal case is "closed," as investigation calls grow

The Trump administration has taken action to ensure a Signal group chat that inadvertently included The Atlantic editor-in-chief Jeffrey Goldberg can never happen again, White House press secretary Karoline Leavitt said Monday.Why it matters: There have been growing calls from lawmakers on both sides of the aisle for an investigation into the Signal scandal, with Democrats on the House Intelligence Committee the latest to call for an independent probe in a letter to Director of National Intelligence Tulsi Gabbard on Monday.HPSCI Democrats are calling on the intelligence community, led by DNI Tulsi Gabbard, to conduct an independent investigation into the Signal chat in which participants discussed plans for an impending US military attack in Yemen. pic.twitter.com/RiXzESIX93— House Intelligence Committee (@HouseIntelDems) March 31, 2025What they're saying: "As the president has made it very clear, Mike Waltz continues to be an important part of his national security team and this case has been closed here at the White House as far as we are concerned," Leavitt told reporters on Monday. "There have been steps made to ensure that something like that can obviously never happen again, and we're moving forward," added Leavitt, without elaborating further on the action taken.Go deeper: Signalgate tensions remain high for some lawmakers

The Trump administration has taken action to ensure a Signal group chat that inadvertently included The Atlantic editor-in-chief Jeffrey Goldberg can never happen again, White House press secretary Karoline Leavitt said Monday.Why it matters: There have been growing calls from lawmakers on both sides of the aisle for an investigation into the Signal scandal, with Democrats on the House Intelligence Committee the latest to call for an independent probe in a letter to Director of National Intelligence Tulsi Gabbard on Monday.HPSCI Democrats are calling on the intelligence community, led by DNI Tulsi Gabbard, to conduct an independent investigation into the Signal chat in which participants discussed plans for an impending US military attack in Yemen.

pic.twitter.com/RiXzESIX93— House Intelligence Committee (@HouseIntelDems) March 31, 2025What they're saying: "As the president has made it very clear, Mike Waltz continues to be an important part of his national security team and this case has been closed here at the White House as far as we are concerned," Leavitt told reporters on Monday.

"There have been steps made to ensure that something like that can obviously never happen again, and we're moving forward," added Leavitt, without elaborating further on the action taken.Go deeper: Signalgate tensions remain high for some lawmakers.