Boy, 15, Dies After Being Whipped, Stabbed And Beaten During "Torture Campaign" By His Mum & Partner

Leeds Crown Court has heard how 15-year-old Sebastian Kalinowski was brutally tortured by his mother and her long-term partner in the lead up to his death. CCTV captured them beating, stabbing, whipping, and torturing the schoolboy.


15-year-old Sebastian Kalinowski was beaten, stabbed, and tortured
15-year-old Sebastian Kalinowski was beaten, stabbed, and tortured

Leeds Crown Court heard how 15-year-old Sebastian Kalinowski was stabbed with a needle and viciously beaten with a bed slat by his mum and her partner during a horrific "torture campaign".


The 15-year-old schoolboy was allegedly forced to undertake humiliating physical drills while being whipped with an extension cable to "spur him on".


The horrified court heard how when Sebastian was too weak to stand, he was held up so the assaults could continue, many of which lasted for hours at a time.


Prosecutors said that Sebastian died in August due to an infection that was caused by "untreated complications of multiple rib fractures".



The abuse that the poor boy suffered was captured on CCTV inside the family home in Huddersfield, West Yorkshire, England, that the family installed to "monitor and exert control" over him.


Sebastian Kalinowski moved from Poland to the UK in October 2020 to live with his mother Agnieszka Kalinowska, 35, and her long-term partner, 36-year-old Andrzej Latoszewski.


The jury was told how teachers at Sebastian's school described him as a "pleasant and well-mannered boy" who was also "quiet and timid, and at times appeared sad".


Prosecutor Jason Pitter QC told the court that at first, Sebastian's mum was happy to have her son at home with her. However, by New Year's Eve, both defendants had begun to class him as a "hindrance" and said he was a liar and was constantly playing truant from school.


Sebastian died from untreated complications of multiple rib fractures
Sebastian died from untreated complications of multiple rib fractures

Mr Pitter said: "You may conclude that these were attempts to justify what they would present as a need for Sebastian's 'punishments'.


"The punishments, if that is an appropriate way to describe them, were by any stretch of the imagination cruel and became increasingly more severe and violent over time."


The jury was told how Sebastian would be punished for simply "dropping food on his bedroom floor", or "even just having gone to the toilet at night."


Mr Pitter described how the punishments "becameprogressively harsh" from January 2021, and that he was "kept deliberately out of the way of others".



Emergency services were called to the home by Latoszewski on August 13, "after Sebastian had been unconscious for some two and a half hours", the court heard.


Latoszewski told emergency services that he had found Sebastian in the bath with his head underwater, "suggesting perhaps that he had drowned".


An examination was carried out on Sebastian which uncovered horrendous injuries to his buttocks, forehead, jaw, abdomen, arms, and legs, and multiple rib fractures.


On the morning of his death, jurors were told how the 15-year-old had gone through the usual "routine of being assaulted by both defendants".


Mr Pitter told the court how CCTV showed Latoszewski taking Sebastian out of his bedroom at 8.25am, before returning 15 minutes later carrying the boy who was "naked, clearly wet, and unconscious".


He added that Latoszewski had made a brief effort to perform CPR, and at 9.24am was seen pouring water into the child's mouth before blowing into it.


Mr Pitter addressed the court and asked: "Was that the beginnings of an attempt to give the impression that Sebastian had drowned by trying to force water into his airways?"


The court also heard how on the day before Sebastian's death, Latoszewski was seen on the CCTV "forcing food and drink into the teen's mouth".


He was also recorded "stabbing him a number of times" with a needle in the thigh and groin, "laughing whilst he did so".


Mr Pitter added that at one point, Kalinowska "took over stabbing Sebastian with the needle."


After Sebastian died the couple were both arrested and police seized the CCTV cameras as well as their phones - both of which Mr Pitter said showed a "catalogue of abuse".



The court was told how Sebastian was attacked "principally and most severely" by Latoszewski, but that on several occasions his mother was involved as well.


Mr Pitter said how he was disgusted with the way the defendants spoke of and to Sebastian "in the most derogatory and inhuman ways" in the seized recordings and messages.


Kalinowska denies murder, alternative counts of manslaughter and causing or allowing the death of a child, as well as a charge of neglect.


On Tuesday at Leeds Crown Court, Mr Latoszewski changed his plea on the manslaughter charge, but still denies murder. The trial continues.


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