we have three suspects: roman, the secretary, he is also a former prisoner, pyotr novinsky.motive, just a typical alphonse, and was interested in pulling money out of the old woman for as long as possible. yeah. well, next, next. and the younger brother is on duty, alexander, works in a museum, understands antiques, gets pennies at his job, there is a version that he could have stolen the unique pages of the gutenberg bible, well, push it all onto roman, so i suggest assigning the development of this brother to kochergin, oh, yeah, well, who's next, there is daughter-in-law margarita genrikhovna. works as a servant in the house for free and suffers endless humiliation from her. is there anything about poisons? yes, there is. tetrodotoxin, which was used to poison duzhur, is indeed a poison, and it is contained in fugu fish and sea urchins. yes. natalya works in a fish restaurant, everything that duzhur ate was cooked by her. i see, all versions are working, i suggest keeping them for now. all three in my head, may i go, yes, go, work, hello, hello, i need to talk to you, and