Mother of three-year-old boy killed after being beaten by his father is also arrested The four brothers of Oliver Golden Grayson, a three-year-old boy killed after being beaten by his father in Viamão, in the Metropolitan Region of Porto Alegre, remain sheltered in a protection network shelter. The children's parents, American missionary Dandre Jermaine Grayson and Mayanna Angelina Rodgers, remain in pre-trial detention. The children were sent to institutional care shortly after Oliver's hospitalization. Reports from the Guardianship Council sent to the Court last week showed that the four brothers were also victims of violence. Expert examinations found several injuries to the children, who are between 1 and 9 years old. ? Access the g1 RS channel on WhatsApp According to the document, one of the boys attributed bite marks on his body to his father. The boy still showed fear towards his father and tried to prevent his brothers from showing their injuries. "That's the bite that the father gives. He bites us", the child told the professionals. Oliver's sisters also made spontaneous reports to the Guardianship Council. They reported that the mother used physical aggression as a form of discipline. Dandre has been in prison since July 5th. He confessed to the Civil Police that he attacked Oliver with punches and hit the boy's head on the floor because the child didn't say "good morning" to him. The boy died on July 8, after being admitted in a very serious condition to the Intensive Care Unit (ICU) of the Emergency Hospital (HPS) in the capital. Mayanna was preventively arrested on July 9th for failure to act. The defense claims, in a statement, that the woman is a victim and was in a state of serious vulnerability in the context of domestic violence. She has North American parents and was born in Japan. Therefore, she has dual citizenship. The family had lived in Viamão for around eight months. The history of suspected abuse involving the family nucleus had already been monitored by protection networks in São Paulo and Santa Catarina. READ ALSO: Evangelical pastor received family MP calls on Interpol to find out history Missionary was suspected of mistreatment in three states Mother is also arrested; police investigate omission Boy's organs are donated Boy beaten for not saying 'good morning' to his father dies 'The State failed', admits mayor of Viamão about missionary arrested for beating son Family was accompanied eight months ago by the US Missionary Guardianship Council confesses to beating their son Understand the case The Civil Police claim that the 3-year-old boy was allegedly beaten by his own father in Viamão. The North American missionary confessed to the crime and has been in prison since Sunday (5). In a statement to the Civil Police, he said that the motivation for the attacks was that his son had not said "good morning" to him. According to delegate Luana Tamiozzo Medeiros, deputy at the Police Station Specialized in Women's Assistance (Deam) and responsible for the investigation, the man reported having punched the child's chest and abdomen, in addition to hitting the boy's head against the floor. The crime took place in the district of Águas Claras, where the family lives. Mother of three-year-old boy killed after being beaten by his father is arrested for omission, says police Reproduction/Social media What the woman says "TECHNICAL NOTE FROM OLIVER'S MOTHER The defense of Mayanna Angelina Rodgers is collaborating with the authorities, remaining at the disposal of justice to clarify the facts. It states that the constituent is a victim and was in a state of serious vulnerability in the context of domestic violence, physically, emotionally and spiritually, circumstances that deserve careful and technical investigation, without any early trial. The defense trusts in due legal process, contradictory and broad defense, under the terms of the Federal Constitution, reaffirming that only the broad procedural instruction will allow the correct investigation of the facts. Out of respect for the child's memory and the confidentiality of the investigations, no other information will be provided. Oliver Golden Grayson was 3. years Personal archive VIDEOS: Everything about RS