This article is really worth the read.
AT FIRST GLANCE, THE CORRELATION BETWEEN PIRACY AND TERRORISM seems a stretch. Yet much of the basis of this skepticism can be traced to romantic and inaccurate notions about piracy. An examination of the actual history of the crime reveals startling, even astonishing, parallels to contemporary international terrorism. Viewed in its proper historical context, piracy emerges as a clear and powerful precedent.
http://www.legalaffairs.org/issues/J...s_julaug05.msp