American Airlines Flight Attendant Betty Ong was the first to report a 9/11 hijacking, moments before her plane hit the World Trade Center. Her family honors her legacy with acts of kindness.
A NatGeo exhibit by Henry Leutwyler features rare and never before seen objects from the attacks of September 11.
Lauren Grandcolas left a message for her husband Jack while aboard Flight 93. "We're having a little problem on the plane. I'm totally fine. I just love you more than anything, just know that. I'm OK. For now," she said before the plane crashed in Shanksville, Pa. on Sept. 11, 2001.
Some 1,106 victims, or 40% of those who died, remain unidentified.
27-year-old Akayed Ullah, a Bangladeshi immigrant, will be arraigned in federal court Thursday.
Akayed Ullah's family released a statement saying they were "heartbroken by the violence," but also "outraged at the behavior of law enforcement."