Sometimes the hijacker wants no part of the limelight but is swept along for the ride.

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Over the years, several people have thought they knew Cooper's identity or have claimed to be the hijacker.

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You might know some of her clients by the public nicknames they acquired: the Unabomber, the Olympic Park bomber and the 20th hijacker.

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Katz notes that this can be especially problematic when the latecomer or hijacker is a senior manager and the meeting leader is a junior staffer.

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Teusink adds that the prototype slide hijacker he built has a range of only 30 feet, but that other publicly available hardware would allow a hacker to scan for wireless presenters within a full kilometer.

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Prosecutors have suggested Moussaoui may have been the fifth hijacker of United Flight 93, the only September 11 terrorist flight with four hijackers aboard and the only one that did not hit its target, crashing in Pennsylvania.

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Not only did the US nab Achille Lauro hijacker Abu Abbas, but the coalition attacked a terrorist group that killed American military attaches and backed the takeover of the US Embassy in Iran in the late 1970s.

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Legal issues are already complicating the cases of some of the most important terror suspects, like Mohamed al-Qahtani, the so-called 20th hijacker, who has been accused of helping to plan and possibly participate in the September 11, 2001, terrorist attacks.

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Washington, playing a dispatcher on the New York subway system, finds himself negotiating with a hijacker (John Travolta) who has taken over a train and is now demanding a ransom (a paltry ten million bucks, which tells you that a twist is on the way).

NEWYORKER: The Taking of Pelham 1 2 3