<p>April 11, 2003 -- The anthrax powder used in the 2001 mail attacks has been reproduced by the Army, which found it was made simply, inexpensively and with limited expertise, it was reported today.</p>
<p>The new research reinforces the theory that the mailed anthrax was probably produced by renegade scientists, possibly from terror groups, and not by a military program such as Iraq's, the Baltimore Sun said.</p>