Rep. Seth Moulton (D-Mass.) slammed the Trump administration over its response to the fallout from high-level officials' use of the Signal app to discuss military plans, saying the White House has "done nothing" to prevent a repeat mistake.

“They've done nothing to show the American public and most importantly, our troops and intelligence professionals who risk their lives every day,” Moulton, a Marine veteran and member of the House Armed Services Committee, said Monday in an interview with CNN’s Anderson Cooper.

“They've done nothing to show that this will not happen again. This is a gross violation of the law.”

His comments come after White House press secretary Karoline Leavitt told reporters otherwise, saying steps have been taken to ensure "something like that can obviously never happen again moving forward," without elaborating.

The administration is

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