this trail led to a friend of yulia kopytina, but the girl had nothing to do with the murder. note at ... expressive content was just part of the game, the dead girl and her friend, they were into crime series, series about the investigation of crimes, they were just playing the game. we identified the friend the girl who wrote this note, the examination of her handwriting, as well as the pen she wrote with, confirmed this. the investigation continued, the investigator... had a number of theories, each of which had to be worked out in detail in order to exclude the untenable ones. the first was related to the work of the father, the family, who was engaged in entrepreneurial activity, could have committed this crime out of deception. the second group of versions is that the crimes could have been committed by people from among the acquaintances of the victim, peers, or slightly older, it could have been unrequited love, another version that required mandatory verification of a sexual crime. at that time , a maniac rapist was operating in the region. he committed two murders of