Prosecutor Files Indictment Against Bartosz G. Over Murder of 15-Year-Old Maja

The District Prosecutor’s Office in Płock has filed an indictment against 18-year-old Bartosz G., suspected of the particularly cruel murder of 15-year-old Maja from Mława.

Indictment Filed in Płock

– The prosecutor filed an indictment with the District Court in Płock against 18-year-old Bartosz G., suspected of the murder of 15-year-old Maja from Mława. The proceedings had been ongoing since the end of April 2025. The suspect was transferred under a simplified procedure (via EAW) from the Hellenic Republic, said PAP spokesperson for the District Prosecutor’s Office in Płock, prosecutor Bartosz Maliszewski.

– Twenty witnesses were questioned in the case, and 21 expert reports and opinions from institutes of various specialties were obtained. The juvenile suspect Bartosz G. faces up to 30 years of imprisonment. Temporary arrest is being applied in the case, he conveyed.

Charge of Murder with Particular Cruelty

Experts assessed that the mental health condition of Bartosz G. allows him to participate in the ongoing proceedings, meaning he can conduct his defense independently and reasonably. On December 23, 2025, Bartosz G. was transported to Poland from Greece, where he had been detained a few months earlier, in May, on the basis of a European Arrest Warrant while staying there as part of a school trip.

Two days after Bartosz G. was brought to the country, he was charged with the crime of murdering 15-year-old Maja K. from Mława with particular cruelty. During the interrogation at the District Prosecutor’s Office in Płock, he did not admit to committing the act at that time and refused to give explanations.

Findings Regarding the Murder

According to the investigation’s findings, 17-year-old Bartosz G. at the time and Maja K. met on April 23, 2025, and the murder took place that evening. The official report on the girl’s disappearance was filed on April 24, and on April 29 her family reported that she had likely been deprived of her liberty.

During the search, the police stated that Maja K. was last seen on April 23 when she left home to visit a nearby friend. Her body was found on May 1, 2025, in the bushes near a production plant belonging to the family of Bartosz G. An autopsy showed that the cause of death was extensive head injuries.

The District Prosecutor’s Office in Płock stated on May 2, 2025, that as part of the investigation already underway at that time, a decision was issued to present a charge of murder with particular cruelty to the girl’s acquaintance—Bartosz G. He faces from 15 to 30 years in prison for this act. According to regulations, a juvenile cannot be sentenced to life imprisonment, with the age at the time of committing the offense being what counts.

Greek Media Reports

Bartosz G., who was detained in Greece after the discovery of Maja K.’s body, did not agree on May 5, 2025, to be extradited to Poland. He reportedly cited threats directed at him and his family. For the duration of the final decision regarding his case, he was placed in a special juvenile facility. Some Greek media reported at the time, citing documents related to the European Arrest Warrant, that Bartosz G. allegedly dragged Maja K. into a carpentry workshop, where he repeatedly struck her with an axe or a hammer, and then poured a chemical substance on her body, causing burns.

Following a suicide attempt that occurred at the end of May 2025 in a special juvenile facility in Greece, Bartosz G. was transported to a hospital. When his health improved, he was returned to the special facility. There, he awaited the resolution regarding his transfer to Poland, because his defense appealed the non-final decision in this matter. Ultimately, on December 19, 2025, the Płock District Prosecutor’s Office announced that it had received information from the Greek side that Bartosz G. would be surrendered to Poland.