By Justin Elliott/ProPublica
Update Dec. 28, 2013: In a new decision in support of the NSA’s phone metadata surveillance program, U.S. district court Judge William Pauley cites an intelligence failure involving the agency in the lead-up to the 9/11 attacks. But the judge’s cited source, the 9/11 Commission Report, doesn’t actually include the account he gives in the ruling. What’s more, experts say the NSA could have avoided the pre-9/11 failure even without the metadata surveillance program.
We previously explored the key incident in question, involving calls made by hijacker Khalid al-Mihdhar from California to Yemen, in a story we did over the summer, which you can read below.
In his decision, Pauley writes: “The NSA intercepted those calls using overseas signals intelligence capabilities that could not capture al-Mihdhar’s telephone number identifier. Without that identifier, NSA analysts concluded mistakenly that al-Mihdhar was overseas and not in the United States.”
Read MorePosted on December 30, 2013