Two interesting versions of the same story:
http://cannonfire.blogspot.com/2006/11/terror-island-fbi-discovers-attas-pal.html
http://rigint.blogspot.com/2006/11/that-body-snatchers-moment.html.
See also:
http://www.madcowprod.com/
http://disruptive.org.uk/books/books/welcome_to_terrorland__mohammed_atta_and_the_9_11_cover-up_in_florida.html.