Excerpt: Use of poisons U.S. intelligence officials believe that Marri trained for two years in Afghanistan, among other things receiving instruction in the use of poisons and toxins at the Derunta camp near Jalalabad, sources said. He is believed to have trained under Abu Khabab al-Masri, an Egyptian specialist in chemical and biological weapons who was killed ... *** U.S. authorities allege that Marri had gone to the United Arab Emirates in August 2001 to get more than $13,000 in cash from Mustafa Ahmed al-Hawsawi, the alleged paymaster for the Sept. 11 plotters. *** The Islamic Assembly of North America,...