What was the fate of Stanislav Perfetsky--poet, provocateur, and hero of Ukrainian underground culture? Evidence points to suicide. But some whisper murder. Some suggest the grand Eastern European tradition of coerced suicide. It may even be related to the religious cult ceremony he happened upon in Munich . . . or that job as a dancer in a strip club for older women. Or, then again, it may not. Perverzion constructs Perfetsky's...