Five-month-old Kaden A. Sonnier was found unresponsive in St. Louis County, Missouri on October 5, 2022, after being alone with 23-year-old Dontavion E. Sonnier for approximately five hours. The child was taken to a hospital but died two days later on October 7, 2022. The medical examiner determined the cause of death to be complications of blunt abdominal trauma and ruled the manner of death a homicide. Dontavion E. Sonnier was charged in May 2024 with abuse of a child resulting in death, a class A felony.
Contexts/Conditions
Is there any mention of child drug ingestion or overdose?
Is there any mention of a drowning incident (either intentional or accidental)?
Is there any mention of a firearm incident?
Is there any mention of inappropriate supervision (e.g., child wandered off and drowned)?
Is there any mention of inflicted injury? (e.g. slapped, punched, kicked, choked)
The medical examiner report lists the cause of death as "Complications of blunt abdominal trauma" and the manner of death as "Homicide." The news article states that Dontavion E. Sonnier was charged with "abuse of a child resulting in death" and that "the child was alone with Sonnier for five hours before the child was found unresponsive." While no specific mechanism of infliction (e.g., punching, kicking) is named, the combination of blunt abdominal trauma, a homicide ruling, and a child abuse charge strongly implies that the injuries were inflicted.
Is there any mention of malnutrition, starvation, or dehydration?
Is there any mention of medical neglect?
Is there any mention of a motor vehicle crash or incident?
Is there any mention of a murder-suicide incident?
Is there any mention of outdoor elements (including hot car deaths)?
Is there any mention of prenatal substance exposure (including fetal alcohol syndrome or neonatal abstinence syndrome)?
Is there any mention of sexual abuse?
Is there any specific mention of shaken baby or abusive head trauma?
Is there any mention of prolonged abuse or torture (including restraints, captivity)?
Is there any mention of an unsafe sleeping environment?
Individuals Involved
Was an adoptive parent or guardian involved in the death?
Was a biological father involved in the death?
The charged individual is identified as "Dontavion E. Sonnier" in the news article, and the medical examiner report identifies the decedent as "Kaden A. Sonnier." The shared surname suggests a familial relationship, possibly father and son. However, neither document explicitly identifies Dontavion as the child's biological father; he could be an uncle or other relative. The shared last name and the circumstance of being alone with the 5-month-old for five hours provide a moderate basis for inferring a parental relationship, but the evidence remains ambiguous.
Was a biological mother involved in the death?
Was a day care worker, babysitter, or nanny involved in the death?
Was a female paramour or friend involved in the death (e.g., girlfriend, stepmother)?
Was a foster parent involved in the death?
Was a male paramour or friend involved in the death (e.g., boyfriend, stepfather)?
Was another adult relative involved in the death? (e.g., grandfather, aunt)
Was a sibling involved in the death?
Child Characteristics
Was the child adopted?
Was the child homeschooled (including "cyberschooling") or taken out of school?
Was the child in foster care at the time of the incident?
Was the child living with relatives at the time of the incident (but not parents)?
Is there any mention of a neurological developmental child disability? (e.g., autism, intellectual disability, nonverbal)
Is there any mention of a physical child disability? (e.g., feeding tube)
Is there any mention of prematurity or low birthweight?
Is there a history of child protection reports prior to death (for this child or siblings)?
Does the child have a history of foster care (but not in care at time of incident)?
Is there a history of a sibling death (separate incident from this death)?
Parent/Caregiver Factors
Was an adult charged or arrested for the child's death?
The news article states: "23-year-old Dontavion E. Sonnier is charged with abuse of a child resulting in death, a class A felony. Sonnier is detained in the St. Louis County Jail on a $150,000 cash-only bond."
Is domestic violence by the parent/caregiver referenced?
Is there any mention that the death occurred in a temporary shelter or while homeless?
Is an intellectual disability of the parent/caregiver referenced?
Is the mental health of the parent/caregiver referenced?
Is a history of arrests or criminal charges for the parent/caregiver referenced?
Is substance use by the parent/caregiver referenced?
Notable Details
The news article reports that Dontavion E. Sonnier was not charged until May 10, 2024, approximately 19 months after the child's death on October 7, 2022. This significant delay between the death and the filing of charges may indicate a prolonged investigation. Additionally, the medical examiner report specifies "blunt abdominal trauma" while the news article describes it more generally as "blunt force trauma," a minor discrepancy worth noting but where the ME report should be favored as the more authoritative source.
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