<a href="http:&#x2F;&#x2F;interviews.slashdot.org&#x2F;story&#x2F;01&#x2F;09&#x2F;24&#x2F;162236&#x2F;philip-zimmermann-and-guilt-over-pgp" rel="nofollow">http:&#x2F;&#x2F;interviews.slashdot.org&#x2F;story&#x2F;01&#x2F;09&#x2F;24&#x2F;162236&#x2F;philip-...</a><p>Zimmerman&#x27;s response to being described as &quot;overwhelmed with feelings of guilt&quot; in article following 9&#x2F;11 and the possibility that his encryption tools had been used by the plotters.