shmykov sr. gave an alibi for his nervous son. and he noticed that masha's younger sister was behaving strangely . twelve-year-old polina looked indifferent, but when they started talking about shmykov, she squeezed her hands and hugged her. was her sister at the birthday party too? yes, but she became strange. the detective tried to talk to polina, but she left the room in fear. what if she knew something about elena erokhina's disappearance, but was simply afraid to testify. the detective decided to wait until polina went out into the yard for a walk. and soon the girl appeared, for some reason with a briefcase, and went somewhere from the yard, the detective after her. polina turned the corner and went in. the post office, why? mail is sorted at the post offices of regional cities by districts, post offices, sorting letters by format, the post office in the ussr is a special place, what a smell, sealing wax, then parcels with gifts are sent to all the cities of the country, a sense of celebration! hello! dear ones, i would like