7|22|08: Belgrade
In wartime Sarajevo, the wellspring of genocide was easy to spot. Running through the middle of the proudly multicultural city, between apartment buildings and along avenues, were sight lines from the Serb-held side of town. Stepping into them meant death for thousands of innocents at the hands of snipers who had embraced the anti-Muslim ethnic cleansing orchestrated by their leader, Radovan Karadzic.
But how to recognize evil in disguise amid a peaceful, thriving metropolis? On the run for over a decade and living in plain sight for several years in Belgrade until his arrest on July 21, Karadzic could...