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Authenticating the Bin Laden Tape

There is some doubt over whether the voice on the tape is actually bin Laden. Lynn Neary talks with Steve Cain, president and CEO of Forensic Tape Analysis, Inc., about what sort of voice recognition techniques would be key to identifying whether the voice on a tape received by al Jazeera television is really Osama bin Laden. (4:15)

Copyright 2002 NPR

Lynn Neary is an NPR arts correspondent covering books and publishing.