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AP
Photo
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south tower of the World Trade Center begins to collapse. |
NEW YORK - The
terrorists who apparently hijacked four planes and attacked the World Trade
Center and Pentagon could only have succeeded by using their own trained pilots
in a scheme that defied all scenarios envisioned by national security officials,
terrorism experts said.
"They flew the
planes themselves," Gene Poteat, president of the Association of Former
Intelligence Officers, said Tuesday.
"No pilot, even
with a gun to his head, is going to fly into the World Towers," he said.
The hijackers used
the airplanes as weapons, Poteat said, adding that they may also have had the
ability to disable communications systems used to alert authorities to trouble.
"This has been an
enormously long-planned and obviously carefully planned operation," Poteat said.
That massive
planning effort was far beyond anything conceived by counterterrorism officials,
who have focused on preventing individual attacks, said Steven Emerson of the
Investigative Project, a research group focused on international terrorism.
"No one thought
there was a capability of doing simultaneous attacks so none of the
counterterrorism scenarios ever envisioned this," Emerson said.
Authorities have
examined the chances of individual attacks on high-profile targets such as the
World Trade Center and the Pentagon, including an attack on a large building
using a commandeered plane, he said.
But most research
examining the potential for attacks causing devastating loss of life has focused
on chemical or biological means, he said.
"To the extent we
know now, this is relatively low technology," Emerson said.
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