Lawyer suspected of murdering wife in Maringá is arrested after confessing to crime to family member
Quick Look
- João Vitor Domingues Romeiro, a 25-year-old lawyer, was arrested on suspicion of murdering his wife, doctor Gassi Mazia, 37, in their apartment in Maringá, leaving their eight-month-old son alone.
- He confessed to the crime to a family member in Mandaguari and was found injured in a car, being hospitalized under police escort.
AI-generated summary
Why It Matters
His wife, Gassi Mazia, a 37-year-old doctor, worked at UBS Nueva Alianza in Sarandi. The couple lived in Maringa, where the crime took place.
João Vitor Domingues Romeiro was arrested on suspicion of murdering Gassi Mazia, in Maringá. The woman's body was in the apartment where the child was found. g1 tries to identify the husband's defense.
By Fábio Linjardi, Bruna Melo, g1 PR and RPC Maringá — Londrina
Lawyer João Romeiro is suspected of murdering his wife in the apartment where they lived, leaving the place and leaving their eight-month-old son alone at the address.
The victim was identified as doctor Gassi Mazia, 37 years old. The crime took place in Maringá, in the North of Paraná, on Saturday night (5).
The baby was found by a family member of the doctor, who was informed about the murder.
Lawyer João Vitor Domingues Romeiro, 25 years old, is suspected of murdering his wife in the apartment where they lived, leaving the place and leaving their eight-month-old son alone at the address.
The victim was identified as doctor Gassi Mazia, 37 years old. The crime took place in Maringá, in the North of Paraná, on Saturday night (5). g1 tries to locate the husband's defense.
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The baby was found by a family member of the doctor, who was notified about the murder, went to the address where she lived and, outside the apartment, heard the child crying. When breaking down the door, he also found Gassi's body with signs of a stabbing.
The Mobile Emergency Care Service (Samu) went to the scene and confirmed the woman's death. According to the police report, there were three knives next to her.
The baby was not injured, according to the Military Police (PM-PR). There is no information on how long he was alone in the apartment.
Gassi Mazia, 37, and João Romeiro, 25. — Photo: Social networks
Suspect went to the neighboring town
The investigation found that, after Gassi's death, the suspect drove alone to the courtyard of a family member's house in Mandaguari, 32 kilometers away from Maringá. The police were called by residents after the lawyer was seen with several injuries.
In testimony, the military police told the Civil Police (PC-PR) that João confessed to this family member that he had killed Gassi. The woman, who was also interviewed by the police chief, reported that the man did not give details about the crime, saying only that he had suffocated his wife and killed her.
Car in which João Romeiro was found injured. — Photo: Reproduction
João was found by military police officers still inside the car, with injuries to his neck. He was arrested for the crime of feminicide and was admitted to a hospital, where he is under police escort.
When the police arrived at the scene of the crime, Samu was already at the address and the baby was with the family.
Victim and suspect were public servants
Gassi worked as a doctor at the Basic Health Unit (UBS) Nova Aliança, in Sarandi, seven kilometers away from Maringá. The municipality issued a note of condolence over the employee's death and expressed "repudiation of all forms of violence against all women".
João Romeiro is a lawyer and worked as a legal advisor at the Marialva Attorney General's Office, 17 kilometers away from Maringá. In the early hours of this Sunday (6), he was dismissed from his position.
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What to Watch
AI outlook — possibilities, not facts
João Vitor Domingues Romeiro will be formally indicted for femicide
Very likely · Within weeks
The eight-month-old baby will be placed under family custody.
Likely · Within days
The Attorney General's Office of Marialva will open an internal syndicate on the case.
Possible · Within weeks
Open Questions
- What was the exact motive for the murder?
- How long was the baby alone in the apartment?
- Was there a history of domestic violence in the relationship?
- What were the injuries found on Gassi Mazia's body besides stabbing signs?






