Classified 9/11 documents detail link to Saudi Arabia
CNN's Jim Sciutto explains the impact of the release of previously classified information from a 2002 congressional investigation into the 9/11 attacks.
00:56 - Source: CNN
9/11 Terror Attacks 14 videos
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Classified 9/11 documents detail link to Saudi Arabia
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NEW YORK, NY - SEPTEMBER 08:  The American flag that was raised by firefighters above the site of the 9/11 attacks on the World Trade Center in New York on 2001 is displayed for the first time at the National September 11 Memorial & Museum after turning up in Washington state two years ago on September 8, 2016 in New York City. The flag was made iconic in a photo of firefighters raising it on the day of the attacks. The flag disappeared from Ground Zero during the site cleanup and was mysteriously turned into a police department by a man who gave his name only as "Brian". Sunday is the 15th anniversary of the terror attacks.  (Photo by Spencer Platt/Getty Images)
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Roses placed by the mother of an architect who died during the Sept. 11 terrorists attacks are erected off his name on the edge of the South Pool at the World Trade Center on September 25, 2015 in New York City.
Congress releases '28 pages' on alleged Saudi 9/11 ties
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