On April 20, 2022, at approximately 1:51 a.m., the mother of four-month-old Christine Dior Walker, Savannah Johnson-Walker, called 911 to report her daughter was not breathing at their home in the 1000 block of W. Arkansas Lane in Arlington, Texas. The infant was transported to Cook Children's Hospital in Fort Worth, where hospital staff notified police that the child may be a victim of a criminal offense. Doctors determined the injuries were consistent with physical abuse. Christine was taken off life support later that morning and pronounced deceased. The mother, who was the sole caretaker and only individual alone with the baby prior to her becoming unresponsive, gave conflicting information to medical staff and first responders. The Tarrant County Medical Examiner ruled the cause of death as complications of blunt force head injury and the manner of death as homicide. Johnson-Walker was arrested on July 6, 2023, and her charge was later upgraded to Capital Murder.
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 (TX_CWalker_4.20.22.pdf) lists the cause of death as "COMPLICATIONS OF BLUNT FORCE HEAD INJURY" and the manner of death as "HOMICIDE." The law enforcement report (TX_Report-2022-01100098.pdf) states "Doctors indicated her injuries were consistent with physical abuse." These clearly indicate inflicted injury.
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?
While the term "shaken baby syndrome" or "abusive head trauma" is not explicitly used, the medical examiner report lists the cause of death as "COMPLICATIONS OF BLUNT FORCE HEAD INJURY" in a four-month-old infant ruled a homicide, and the law enforcement report states doctors indicated injuries were "consistent with physical abuse." Blunt force head injury inflicted on a four-month-old in a homicide context constitutes abusive head trauma, though the specific mechanism (shaking, impact, or both) is not specified.
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?
Was a biological mother involved in the death?
The law enforcement report (TX_Report-2022-01100098.pdf) identifies the mother, 25-year-old Savannah Johnson-Walker, stating "detectives determined Ms. Johnson-Walker was the baby's sole caretaker and was the only individual alone with the baby prior to her becoming unresponsive." She was arrested and charged, with the charge later upgraded to Capital Murder.
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 law enforcement report (TX_Report-2022-01100098.pdf) states: "detectives obtained a warrant for Ms. Johnson-Walker's arrest on one count of Injury to a Child - Serious Bodily Injury. She was taken into custody on the warrant on July 6, 2023. The Tarrant County District Attorney's Office later upgraded her charge to Capital Murder."
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 law enforcement report (TX_Report-2022-01100098.pdf) notes two substantive details not addressed by other questions: (1) The mother "had also given medical staff and first responders conflicting information about what led to the child becoming unresponsive," which was a factor in the investigation; and (2) the charge against the mother was initially "Injury to a Child - Serious Bodily Injury" but was later upgraded to "Capital Murder" by the Tarrant County District Attorney's Office, indicating the severity of the case escalated during prosecution.
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