He rapes and kills—and he writes novels. In them he savors the tiniest details of his crimes. Crime scene expert Drongo figured out the maniac, but it’s impossible to prove that he is the "author" of both the novels and the crimes. What’s more, the criminal is so cunning that he "frames" Drongo’s partner, and that partner gets arrested. It looks like the maniac has beaten the detective outright. But still— the final move is Drongo’s…