Anna Podedworna, the 40-year-old Polish woman who murdered her partner Izabela Zablocka in 2010, was sentenced to life imprisonment with a minimum term of 20 years at Derby Crown Court on 11 February 2026. The brutal killing – followed by dismemberment and secret burial beneath a concrete patio – stayed hidden for nearly fifteen years until the killer herself directed police to the grave in June 2025.

Revealed: Shallow grave suspected to contain young mother who may have met  a grisly end in Britain - and how one mysterious phone call 15 years ago  may hold key to police

Mr Justice Pepperall, delivering the sentence, labelled the crime “brutal in its execution, callous in its aftermath and extraordinarily cruel in its prolonged concealment”. He told Podedworna that she had not only ended Izabela’s life at the age of 30 but had also inflicted fifteen years of torment on her nine-year-old daughter Katarzyna, who grew up believing her mother might one day return.

The fatal events unfolded in the couple’s modest rented house in Normanton, Derby, on or very close to 28 August 2010. Tensions between the two women – both economic migrants from Poland who had arrived in the UK the previous year – had been building for months. Court heard evidence of arguments over money, jealousy, household responsibilities and Izabela’s private discussions about wanting gender reassignment surgery, an ambition she could never afford on factory wages.

During one particularly heated confrontation Anna first tried to strangle Izabela with her hands. When Izabela fought back, Anna grabbed a heavy ceramic horse figurine – a decorative ornament that had sat innocently on a windowsill or shelf – and struck her partner multiple times to the head. Forensic analysis later showed the blows fractured the skull in several places and caused devastating brain injury. Death occurred within minutes.

Rather than call emergency services, Anna made the decision – almost immediately, the prosecution argued – that the body had to disappear. As a skilled butcher employed at Cranberry Foods poultry factory in Scropton, she was accustomed to using large knives to portion and debone large carcasses. She applied the same expertise in the bathroom of the house: she separated the torso from the limbs and head, placed the sections into several heavy-duty black bin bags, cleaned visible blood from surfaces as best she could, and waited for nightfall.

Over the following nights she dug a shallow grave in the rear garden. The remains went into the hole, which she first covered with soil and later – to eliminate any chance of discovery – sealed beneath a freshly poured concrete hardstanding. The new patio looked entirely ordinary; neighbours noticed only that the couple had improved their small outdoor space. Anna continued living in the property for a short time afterwards before moving elsewhere in Derby, eventually settling on Boyer Street. She changed jobs several times but remained in the city, keeping a low profile and never speaking of the events of August 2010.

Back in Poland, Izabela’s family endured growing despair. Her daughter Katarzyna, left in the care of grandparents when her mother emigrated to find better-paid work, lost all contact after the final phone call in late August 2010. Regular calls, small gifts sent home and promises of future visits simply stopped. Polish authorities recorded Izabela as a missing person, but with no body, no witnesses and no obvious crime scene in the UK, the file gradually went dormant.

The case cracked open in spring 2025 when a Polish television journalist, researching unsolved disappearances of Polish nationals abroad, located Anna in Derby and requested an interview. During the recorded conversation Anna became visibly distressed. Within days she emailed Derbyshire Constabulary, providing the exact address in Normanton where she had once lived with Izabela and stating that human remains were buried under the concrete in the back garden. She included measurements and directions to assist the search.

On Sunday 1 June 2025 specialist officers, supported by cadaver dogs, forensic archaeologists and ground-penetrating radar technicians, arrived at the property. Mechanical breakers removed the concrete slab. Beneath it officers found several degraded bin bags containing skeletal remains. Subsequent analysis – including dental records and mitochondrial DNA comparison with samples provided by Katarzyna – confirmed the identity as Izabela Zablocka.

Anna was arrested that same day. Body-worn video footage played during the trial showed her being led from her home in handcuffs; she appeared calm but said little. In police interviews she admitted causing Izabela’s death but maintained that the initial violence had been spontaneous and that everything afterwards stemmed from panic. She pleaded guilty to manslaughter on the basis that she had not intended to kill and had acted without premeditation. The Crown Prosecution Service refused to accept that plea and charged her with murder.

Skilled butcher' guilty of murdering, cutting up and burying partner in Derby - BBC News

The seven-week trial at Derby Crown Court drew heavy media attention in both Britain and Poland. Prosecutor Gordon Aspden KC told the jury that the decision to dismember the body, transport it to the garden, bury it and then concrete over the site showed clear intent to pervert the course of justice and to ensure Izabela would never be found. He described the killing as domestic murder aggravated by exceptional efforts at concealment.

Defence counsel argued that the relationship had been dysfunctional and occasionally violent, that Izabela could be controlling and physically stronger, and that Anna had lashed out in fear during a sudden loss of self-control. They pointed to the fact that Anna eventually confessed – albeit after fifteen years – as evidence she had never intended the secret to remain buried forever.

After deliberating for just over seven hours the jury returned a unanimous guilty verdict on the charge of murder on 10 February 2026. Anna showed no outward emotion as the foreman read the decision. Katarzyna, following proceedings by video link from Poland, was visibly moved.

The following morning Mr Justice Pepperall passed sentence. He fixed the minimum term at twenty years, backdated to take account of time spent on remand. Anna Podedworna will therefore not become eligible to apply for parole until she is at least 60 years old. The judge stressed that only a life sentence could reflect the gravity of taking a life and then subjecting a child to fifteen years of false hope.

Detective Chief Inspector Michaela Willis, who headed the investigation, spoke outside court:

Monster' reveals how she 'bludgeoned girlfriend to death with horse figurine before burying severed body in garden'

“This was a particularly distressing case. A young mother vanished without trace, her family left in limbo for a decade and a half. Anna Podedworna’s eventual decision to reveal the location of the remains has finally allowed Izabela’s daughter to know the truth, however painful that truth may be. We hope the sentence provides some degree of closure.”

Katarzyna Zablocka issued a separate statement through a family representative:

“My mother worked hard so she could give me a better future. She was loving, funny and full of dreams she never got to live. Anna stole her from me when I was still a little girl and then let me spend my whole childhood wondering if she had abandoned me or if something terrible had happened. The not-knowing was worse than anything. Now I can grieve properly. Thank you to everyone who helped find her.”

The long-unsolved case has prompted renewed discussion in migrant-support circles about the particular vulnerabilities faced by people who move abroad for work – isolation, language barriers, financial pressure and reluctance to involve authorities in domestic disputes. Charities in both Poland and the UK have called for better cross-border protocols when adults go missing after relocating.

Fifteen years after the killing, the concrete in that Normanton garden has been broken up, the remains recovered and laid to rest, and a killer has received the only sentence the law allows for such a calculated and protracted act of destruction. Izabela Zablocka’s name is no longer carried on missing-persons lists; instead it stands as a quiet, enduring warning about the consequences of rage left unchecked and secrets kept too long.