Naoko Vanduyn and her child were killed at St. James Apartments on Cache Road in Lawton, Oklahoma, in what was confirmed as a double homicide. David Vanduyn, Naoko's husband, was arrested in connection to the murders after police were called to the apartment regarding a suspicious male. While speaking with David Vanduyn, officers determined a welfare check should be done on his wife and child, which led to the discovery of their bodies. Sources reported the bodies were found stuffed inside storage containers, though police could not confirm or deny this detail.
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 news article confirms a double homicide: "Lawton Police have confirmed that two people were killed in the first homicide of 2022" and "David Vanduyn, Naoko's husband, has been arrested in connection to the murders." While the specific mechanism of injury is not described, the child's death was ruled a homicide/murder, which inherently implies inflicted injury of some kind.
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 news article states "David Vanduyn, Naoko's husband, has been arrested in connection to the murders." The victims are identified as "Naoko Vanduyn and her child." The child shares the Vanduyn surname (as the family unit is identified as the Vanduyn family), and David is identified as Naoko's husband, strongly implying he is the biological father of the child. David was arrested in connection to the murders.
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 explicitly states: "David Vanduyn, Naoko's husband, has been arrested in connection to the murders."
Is domestic violence by the parent/caregiver referenced?
The news article describes a husband killing his wife and child: "David Vanduyn, Naoko's husband, has been arrested in connection to the murders." The killing of a spouse and child by the husband/father constitutes an extreme act of domestic violence, even though the article does not use the term "domestic violence" explicitly.
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 contains several notable details: Sources reported that "the bodies were stuffed inside storage containers," though LPD could not confirm nor deny this. Additionally, David VanDuyn worked as a "Radiation Therapist at the Cancer Centers of Southwest Oklahoma" at Comanche County Memorial Hospital. Police stated they "had no previous contact with VanDuyn," suggesting no prior law enforcement history. The mother, Naoko Vanduyn, was also killed, making this a double homicide involving both a spouse and child.
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