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9 May
2003
9 May
'03
8:29 p.m.
Investigators believe cell members were using a process called stenography, in which special software allows a text message to be hidden inside a small part of a computer photograph. U.S. investigators say many terrorists received instruction on the technique when they trained at al Qaeda camps in Afghanistan. http://www.nypost.com/news/worldnews/57502.htm