Boy ‘whipped with extension cord’ and ‘stabbed with needle’ in ‘Abuse Catalogue’

Agnieszka Kalinowska, 35, and her longtime partner Andrzej Latoszewski, 36, subjected the teenager to a campaign of torture at their West Yorkshire home, a court has heard

Sebastian Kalinowski was found dead in Huddersfield last summer
Sebastian Kalinowski was found dead in Huddersfield last summer

A teenager was beaten with a bar, whipped with an extension cord and stabbed with a needle in a campaign of torture by his mother and her lover, according to prosecutors.

Sebastian Kalinowski was just 15 when he died last August from an infection caused by “untreated complications of multiple broken ribs”.

His tragic death came after weeks of “cruel assault and ill-treatment,” Leeds Crown Court heard.

Sebastian was in the UK less than a year after moving from Poland to join his mother Agnieszka Kalinowska, 35, and her long-term partner Andrzej Latoszewski, 36, the court heard.

The pair were later arrested in connection with Sebastian’s death and an investigation was launched.

Police seized surveillance cameras from their home in Huddersfield, West Yorkshire, which are said to have been partially installed to “remotely monitor and exercise control over Sebastian”.

Prosecutor Jason Pitter QC said: “In a twist, it is this system that has recorded the abuse he has endured.”

Kalinowska and Latoszewski deny murder and alternative charges of manslaughter and causing or permitting the death of a child, and a charge of neglect.

Mr Pitter said both defendants would argue their treatment of Sebastian was “appropriate punishment”.

The trial will take place at Leeds Crown Court



The court heard that Sebastian arrived in Huddersfield in October 2020 and the teaching staff described him as “an agreeable and well-behaved boy” who “was observed to be quiet and shy and at times appeared sad”.

Mr Pitter said: “In the very early stages it seemed that, for Kalinowska at least, she was happy to have her son here with her. She was described as ‘in love’ by a friend.

“If that was right, that was to change quickly, unfortunately.”

He told the jury that until New Year’s Eve the defendants’ stance was that Sebastian was “a bit of a hindrance” and they spoke of him being a liar and skipping school.

Mr Pitter told the jury: “You may conclude that these were attempts to justify what they would present as the necessity of Sebastian’s ‘penalties’.

“The punishments, if they can be described as such, were cruel and became increasingly severe and violent over time.”

He added: “It seems the punishments were triggered by things like Sebastian just dropping food on his bedroom floor or even going to the toilet at night.”

The jury heard that from January 2021, “Sebastian’s disciplining became increasingly severe” and that he was “deliberately put out of the way of others, either as part of the punishment system or to hide the abuse.”

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Mr Pitter said emergency services were called to the defendants’ home by Latoszewski on August 13 “after Sebastian had been unconscious for around two and a half hours”.

He told jurors Latoszewski he found Sebastian in the bathtub with his head under water, “perhaps suggesting he drowned.”

The court heard an examination of the teenager revealed injuries, including bruises on his buttocks, forehead, jaw, abdomen, arms and legs, and multiple broken ribs.

Mr Pitter said: “[The defendants’] Telephones were confiscated and the installed video surveillance system was interrogated.

“Together, their content documents the catalog of abuse that Sebastian endured before his death.

“A rough description is one of Sebastian, who is mainly and most violently attacked by Latoszewski, but at various times his mother is involved.

“It contained messages and transcripts of conversations in which the defendants spoke of and to Sebastian in a highly derogatory and inhuman manner in connection with the perceived need to punish him.

“This included forcing him to do physical and humiliating exercises, even when he was too weak to actually do it.”

Footage played to the jury included Latoszewski hitting Sebastian’s buttocks with a plank off a bed, Mr Pitter said.

Other clips included Latoszewski making Sebastian do exercises and whipping him with an extension cord to “spur him on”.

Mr Pitter said video from Latoszewski’s phone also included clips of him “swearing at” a “visibly upset” Sebastian.

On August 10 last year, Mr Pitter said, CCTV showed violence against Sebastian that began at 8.15am and continued until “at least” 4.10pm.

He was “frequently struggling with standing, but can be seen [being] lifted or held up so the attack could proceed,” the jury heard.

Mr Pitter said the day before Sebastian’s death Latoszewski was seen on CCTV “forcing food and drink into Sebastian’s mouth” and “stabbing him several times” with a needle in the groin and thigh, during which he was seen apparently laughed at it”.

He added that at one point Kalinowska “took over stabbing Sebastian with the needle.”
The jury heard that on the morning of Sebastian’s final day, he “went through the routine of being assaulted by both defendants.”

Mr Pitter said CCTV showed Latoszewski taking Sebastian out of the bedroom at 8.25am before carrying him back “naked, clearly wet and unconscious” around 15 minutes later.

He said: “While Latoszewski made some limited efforts to perform CPR, in reality it may have been too late as Sebastian showed no sign of life when he was taken back to the bedroom.

“At 9.24 Latoszewski appeared to be trying to pour water into Sebastian’s mouth before then blowing into it. Was this the start of an attempt to make it appear that Sebastian had drowned by trying to force water into his airway?

The process goes on. Boy 'whipped with extension cord' and 'stabbed with needle' in 'Abuse Catalogue'

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