The Good, the Bad, the Elusive

The body of a young investigator and computer genius Lisa Koltova has been found in Saratov. The girl was brutally beaten and strangled in the basement of an apartment building. A friend of the deceased informed the investigation that shortly before, he and Lisa had been studying an archival case concerning the murder of Professor Alexei Solyainikov. The investigator who handled this case believed that the motive for the murder was a domestic robbery. However, he did not notice that part of the unique manuscript on the psychological deviations of young men had disappeared from the scientist's briefcase. This suggests that the killer may have had a different - personal - motive, and that the murders of the professor and the investigator are connected. Gurov was completely convinced of this version by... the new victim of the ruthless maniac...