"In this image taken from video broadcast by the Al-Jazeera satellite television network, a man who was identified by Al-Jazeera's editor-in-chief as Ahmed Ibrahim A. Alhaznawi speaks in an undated video tape. Al-Jazeera editor-in-chief Ibrahim Hilal said the excerpts presented Monday were from an hour-long video, complete with narration and graphics, delivered by hand to the station's Doha, Qatar offices a week ago. Superimposed caption at bottom center reads, ""One of the implementors of the Septebmer attacks threatens to kill Americans in their homes."""
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