Conservative activist Laura Loomer targeted a deputy national security adviser and questioned whether he is to blame for the Trump administration including a journalist in a Signal group text about bombing Yemen.

It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s national security team relies on Signal.

The Pentagon inspector general's office said it would evaluate Hegseth's use of Signal to discuss strikes against the Houthis.

Defense Secretary Pete Hegseth and other members of the Trump administration are being investigated for their recent use of a Signal app before a military strike on the Houthis in Yemen.

She seemed to foreclose the possibility of a Justice Department investigation into officials’ use of Signal to discuss attacks on Yemen.

Jeffrey Goldberg joins Ashley Parker to discuss breaking the Signal story, the fallout, and more. Don’t miss this subscriber-only event on Thursday, April 3, at 11:30 a.m. ET.

The Pentagon’s acting inspector general is investigating whether Pete Hegseth broke any rules around classification and records retention. Trump's reaction? 'That's such a wasted story.'

The Pentagon’s inspector general will investigate whether Defense Secretary Pete Hegseth used the encrypted commercial app Signal to discuss classified information about a military strike in Yemen. Hegseth and other administration officials have denied any classified information was mentioned.