Cctv of 911 hi jackers biography
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Photo by George Frey/Getty Images
When four U.S. passenger airliners were highjacked and the Twin Towers were brought down on September 11, 2001, ubiquitous video surveillance was not yet part of the U.S. security and policing landscape.
In fact, a total of 19 terrorists made their way through three of the nation’s busiest airports that day— Logan International in Boston, Massachusetts; Washington-Dulles in Virginia; and Newark International in New Jersey—as the coordinated attack unfolded, leaving behind only a single visual record of the movements of just two of the hijackers.
The first video evidence that put a face to the terrorists came from a small eight-camera, analog video recording system at the Portland, Maine, International Jetport.1 It was the only meaningful visual record of the movements of the terrorists that fateful morning, taken as Mohamed Atta and Abdul Aziz al Omari made their way through a security checkpoint in the tiny commuter terminal on their way to Boston.2
A few days after the attack, John Green, then a 21-year veteran of the FBI field office in Boston and a video analyst, worked to decipher the garbled multiplexed video recordings from the Portland airport. Using what was considered advanced video equipment at the time, Green directed the
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September 11 attacks: What happened on 9/11?
On Tuesday 11 September 2001, suicide attackers seized US passenger jets and crashed them into two New York skyscrapers, killing thousands of people.
What unfolded that day has had profound consequences across the globe.
Twenty-three years later, Khalid Sheikh Mohammed and two other men accused of plotting the attack - known as 9/11 - are expected to plead guilty in a military court.
What were the targets?
Four planes flying over the eastern US were seized simultaneously by small teams of hijackers.
They were then used as giant, guided missiles to crash into landmark buildings in New York and Washington.
Two planes hit the Twin Towers of the World Trade Center in New York, with the second strike 17 minutes after the first.
The buildings were set on fire, trapping people on the upper floors, and enveloping the city in smoke. In less than two hours, both 110-storey towers collapsed in massive clouds of dust.
A third plane destroyed the western face of the Pentagon - the giant headquarters of the US military just outside the nation's capital, Washington DC.
The fourth plane crashed in a field in Pennsylvania after passengers fought back. It is thought the hijackers had meant to attack Washington
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Timeline: The Sep 11 anarchist attacks
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