On December 1, 1934, a lone gunman shot and killed Sergei Kirov, Secretary of the Central and Leningrad Party Organization, member of the Moscow Politburo, and heir apparent to Joseph Stalin. This assassination was arguably one of the most significant crimes of the century. Not only did it seal the fates of thousands--and, indirectly, millions--of people spuriously connected to the killer, but it eliminated the second most powerful man in Russian...