The newborn son of Brittany Diekneit and Sean Byrne was found unresponsive on September 22 after sleeping in bed with his parents at their Aurora, Colorado apartment. The baby had come home from the hospital less than 48 hours earlier. Aurora Police responded around 6:30 a.m. and despite extensive lifesaving measures, the baby was pronounced dead at the hospital. The autopsy listed the cause of death as undetermined. Prosecutors allege the couple had been drinking alcohol the night before and ignored the risks of co-sleeping while intoxicated, though blood tests for both parents came back negative for alcohol. Both parents were charged with felony child abuse resulting in death. The defense argues the death was an unexplained infant death (SIDS) that could not have been prevented.
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)
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?
The news article explicitly describes an unsafe sleeping environment. The affidavit states that the couple "ignored the substantial and unjustifiable risk of co-sleeping while being incapacitated and they were thus unable to check on him." The baby died "while sleeping in bed with her" (the mother). Co-sleeping with an allegedly intoxicated adult is a recognized unsafe sleep arrangement.
Individuals Involved
Was an adoptive parent or guardian involved in the death?
Was a biological father involved in the death?
Sean Byrne is referred to as Diekneit's "partner" and the child is described as "the couple's son." Byrne is facing "a felony count of child abuse resulting in death." While the text does not explicitly state he is the biological father, referring to the deceased as "the couple's son" strongly implies biological parentage.
Was a biological mother involved in the death?
Brittany Diekneit is explicitly identified as the mother. The article states, "An Aurora mother is speaking out for the first time" and "her baby died while sleeping in bed with her." She is facing "a felony count of child abuse resulting in death." The baby was co-sleeping with her when he died.
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: "Brittany Diekneit and her partner, Sean Byrne, are each facing a felony count of child abuse resulting in death." Both adults were charged in connection with the child's death.
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?
The news article explicitly references alcohol use by the parents. The affidavit alleges "the couple was drinking the night before sharing a bed with the baby" and that they were "incapacitated." The article also notes "pictures of empty alcohol bottles in the kitchen and trash as part of the investigation." Although the defense attorney states "the blood tests for both parents came back negative for alcohol," the allegation of substance use by the parents is clearly referenced throughout the article.
Notable Details
The news article contains several notable details not captured by preceding questions. First, blood tests for both parents came back negative for alcohol, directly contradicting the prosecution's allegation that the couple was intoxicated, which raises questions about the evidentiary basis for the charges. Second, nonprofit organizations including ProgressNow Colorado sent a letter to the district attorney's office asking them to drop the charges, calling it a wrongful prosecution, indicating broader advocacy involvement. Third, the couple's surviving 2-year-old daughter has been placed with grandparents, and the parents "are not allowed to have contact with each other or be alone with their daughter," indicating significant collateral consequences from the charges. The defense attorney also argued that the government is improperly "criminaliz[ing] every natural occurrence," framing this as a systemic issue in how authorities respond to unexplained infant deaths.
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