I first encountered it in chapter 18 of The Looming Tower by Lawrence Wright.
But here’s a easily linkable online source: https://ctc.westpoint.edu/revisiting-al-qaidas-anthrax-program/
I first encountered it in chapter 18 of The Looming Tower by Lawrence Wright.
But here’s a easily linkable online source: https://ctc.westpoint.edu/revisiting-al-qaidas-anthrax-program/