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The dispute between the son-in-law and the father-in-law turned into a brawl, and then into a stabbing. As a result, the elderly man died.
The dispute arose due to the fact that the father-in-law began to make claims to the son-in-law for a bad attitude towards his wife and children.
The piquancy was added by the fact that after the commission of the crime, the young man fled in a car and subsequently burned it, but this did not help. The attacker was found and arrested, he was charged with murder.
Surgut, Russia.
He did in fact, have a bad attitude.