The FBI released newly declassified documents that show possible links between two Saudi citizens in the United States, but doesn't establish a direct tie between the attackers and the Saudi government. Christina Ruffini has the details.

"CBS Evening News with Norah O'Donnell" delivers the latest news and original reporting, and goes beyond the headlines with context and depth. Catch the CBS Evening News every weekday night at 6:30 p.m. ET on the CBS Television Network and at 10 p.m. ET on CBSN.

Subscribe to the “CBS Evening News" YouTube channel: http://bit.ly/1S7Dhik
Watch full episodes of "CBS Evening News”: http://cbsn.ws/23XekKA
Follow "CBS Evening News" on Instagram: http://bit.ly/1T8icTO
Like "CBS Evening News" on Facebook: http://on.fb.me/1KxYobb
Follow "CBS Evening News" on Twitter: http://bit.ly/1O3dTTe
Download the CBS News app: http://cbsn.ws/1Xb1WC8
Try Paramount+ free: https://bit.ly/2OiW1kZ

For video licensing inquiries, contact: licensing@veritone.com