FBI , Department of Homeland Security issue bulletin board . FBI says two al Qaeda associates make claim to the agency . E-mail to a friend . ` ` We terminated the most precious American asset , '' associate says . FBI official says the claim has not been confirmed .
FBI , Department of Homeland Security issue bulletin board . FBI says two al Qaeda associates make claim to the agency . ` ` We terminated the most precious American asset , '' associate says . FBI official says the claim has not been confirmed .