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WASHINGTON, DC - MARCH 25: National Security advisor Mike Waltz speaks as he sits with U.S. President Donald Trump during an Ambassador Meeting in the Cabinet Room of the White House on March 25, 2025 in Washington, ... WASHINGTON, DC - MARCH 25: National Security advisor Mike Waltz speaks as he sits with U.S. President Donald Trump during an Ambassador Meeting in the Cabinet Room of the White House on March 25, 2025 in Washington, DC. During the meeting, Trump answered questions from reporters on the news that Jeffrey Goldberg, the editor-in-chief of The Atlantic magazine, was accidentally added to a Signal group chat of top administration officials, where highly sensitive national security information was discussed. (Photo by Win McNamee/Getty Images) MORE LESS

At least for the moment this hasn’t gotten much attention. So let me point your attention to a new part of the White House Signal chat story which is actually a pretty big deal. You likely saw that yesterday Reuters published a photo of a Trump Cabinet meeting in which Mike Waltz could be seen using Signal on his phone. That was pretty unbelievable. You could see several of the chats, though mainly who he was chatting with more than the contents. Embarrassing, etc. But 404 Media, a newish tech news site, noticed that there was more than that. He wasn’t actually using Signal at all. He was using a third-party Signal knock-off which allows you to use your Signal account but with additional features.

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Josh Marshall is the founder and Editor-in-Chief of TPM.
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