Mother, 31, shows police how she killed her eight-year-old son by dousing him in petrol and setting him ablaze in disturbing footage Anastasia Baulina, 31, a cashier, was furious that her son, eight, 'betrayed' her He reportedly told his stepfather that she had been visited by her alleged lover She took him into the courtyard, doused him in fuel from a canister and lit it The boy died in hospital in Kursk, Russia after suffering horrific 45 per cent burns A murder investigation has been opened and the mother has been detained She has now demonstrated police how she killed her son by using a dummy A video showing her demonstration has been shared by Russian investigators A deeply shocking video shows a mother demonstrating to police how she killed her son by dousing him in petrol and setting the boy ablaze. She had dragged the eight-year-old called Andrey into the yard shouting 'I will teach you keep your mouth shut', said a witness. Anastasia Baulina, 31, a cashier, was furious that he 'betrayed' her by telling his stepfather that she had been visited by her alleged lover, it is suspected. In a video released by the Russian Investigative Committee, the mother shows no remorse as she demonstrated on a mannequin how she set her son on fire. One report said she poured the fuel into the terrified boy's mouth before using a lighter and telling him: 'Let's see how it will burn.' The boy's sister Natasha, 12, has told how the fuel for a chainsaw went into the crying boy's mouth as she ignited him. But the boy was critically injured, and he died two days later from the severe burns. https://www.dailymail.co.uk/news/article-9383873/Mother-31-shows-police-killed-eight-year-old-son.html