It's been acknowledged by the government that this happened. They aren't denying anything, and are saying it was just a mistake. From WSJ:
> House Speaker Mike Johnson (R., La.) dismissed questions about whether Waltz should face consequences for discussing the Yemen operation on an unclassified chat group that included a journalist. “Clearly I think the administration has acknowledged it was a mistake and they’ll tighten up and make sure it doesn’t happen again.”
> [National Security Council] statement: "At this time, the message thread that was reported appears to be authentic, and we are reviewing how an inadvertent number was added to the chain. The thread is a demonstration of the deep and thoughtful policy coordination between senior officials. The ongoing success of the Houthi operation demonstrates that there were no threats to our servicemembers or our national security." - NSC Spokesman Brian Hughes
And from the article, practical verification:
> According to the lengthy Hegseth text, the first detonations in Yemen would be felt two hours hence, at 1:45 p.m. eastern time. So I waited in my car in a supermarket parking lot. If this Signal chat was real, I reasoned, Houthi targets would soon be bombed. At about 1:55, I checked X and searched Yemen. Explosions were then being heard across Sanaa, the capital city.
> "Michael Waltz has learned a lesson, and he’s a good man," Trump said Tuesday in a phone interview with NBC News.
> When asked what he was told about how Goldberg came to be added to the Signal chat, Trump said, “It was one of Michael’s people on the phone. A staffer had his number on there.”
It's been acknowledged by the government that this happened. They aren't denying anything, and are saying it was just a mistake. From WSJ:
> House Speaker Mike Johnson (R., La.) dismissed questions about whether Waltz should face consequences for discussing the Yemen operation on an unclassified chat group that included a journalist. “Clearly I think the administration has acknowledged it was a mistake and they’ll tighten up and make sure it doesn’t happen again.”
https://www.wsj.com/politics/national-security/trump-us-war-...
SecDef and the White House were claiming it was made up. This is double speak from the Speaker.
By the bombings taking place at the time specified and the government verifying that someone was indeed added to a chat mistakenly.
https://x.com/JenGriffinFNC/status/1904221405618577650
> [National Security Council] statement: "At this time, the message thread that was reported appears to be authentic, and we are reviewing how an inadvertent number was added to the chain. The thread is a demonstration of the deep and thoughtful policy coordination between senior officials. The ongoing success of the Houthi operation demonstrates that there were no threats to our servicemembers or our national security." - NSC Spokesman Brian Hughes
And from the article, practical verification:
> According to the lengthy Hegseth text, the first detonations in Yemen would be felt two hours hence, at 1:45 p.m. eastern time. So I waited in my car in a supermarket parking lot. If this Signal chat was real, I reasoned, Houthi targets would soon be bombed. At about 1:55, I checked X and searched Yemen. Explosions were then being heard across Sanaa, the capital city.
And today, confirmation from Trump:
https://www.nbcnews.com/politics/white-house/trump-stands-na...
> "Michael Waltz has learned a lesson, and he’s a good man," Trump said Tuesday in a phone interview with NBC News.
> When asked what he was told about how Goldberg came to be added to the Signal chat, Trump said, “It was one of Michael’s people on the phone. A staffer had his number on there.”