Occam's Razor

In this, the final chapter of the Casablanca story, Rick, Anya and Ari all arrive in Israel. Also in Israel is Ari Levy's last assassination target, Abu Nidal Suielman, a brilliant terrorist with a mission of his own. Ari's mission is to finish the job he started in "Crisis of Conscience", but will he? Someone will not return home, but who?