What you need to know about the leaked US secret documents
It could be the worst U.S. intelligence breach in years. The posting on social media of what appears to be several highly classified U.S. intelligence documents might be just the beginning of what could turn out to be the most serious U.S. intelligence breach in more than a decade. After last week's seeming leak, an ABC News review found dozens more top-secret documents posted in early March in a hard-to-find corner of the internet shortly after the documents were drafted. The content of those additional document s appears to be U.S. intelligence about the war in Ukraine and in other parts of the world. And the disclosure has raised diplomatic issues as it appears that U.S. intelligence has been spying not only with its adversaries, but on allies and partners. The apparent leak has triggered a criminal investigation by the Justice Department that will try to find out who posted the documents on the internet and why. Here's what you need to know about what happened and what the...