Missouri mother Mariah Thomas, 28, was sentenced on Tuesday, 22 September, to 13 years in prison over her one-month-old daughter's death in Kansas City.
She pleaded guilty to first-degree endangering the welfare of a child resulting in death, while a first-degree murder charge was dismissed. A relative said Thomas thought she had put the baby in her crib.
The plea followed the discovery of the infant's body at a Kansas City home in February 2024. Investigators were told Thomas had intended to put her daughter down for a nap but had placed her in an oven instead. Prosecutors later added the murder count.
How the Missouri Mother's Murder Charge Was Dismissed
Thomas pleaded guilty in Jackson County and was ordered to serve her sentence in the Missouri Department of Corrections, according to court records reported by Fox News. She received no probation. Time already spent in custody will count towards the prison term.
The original complaint alleged first-degree endangering the welfare of a child resulting in death. Prosecutors subsequently added first-degree murder, but dismissed it as part of Tuesday's plea agreement. The prison term applies to the offence Thomas admitted, rather than to the murder charge.
According to the judgment, Judge Sarah A. Castle found that Thomas entered her plea freely and voluntarily and understood the charge and its consequences. The judgment states that Thomas had no mental disease or defect defence as part of the plea. The finding concerned her guilty plea, not a verdict on the murder allegation.
When the first charge was announced in February 2024, then Jackson County Prosecutor Jean Peters Baker addressed the death. She said 'our hearts are weighted by the loss of this precious life'.
Baker added, 'We trust the criminal justice system to respond appropriately to these awful circumstances'. Her office's announcement identified child endangerment as the original charge. At that stage, the oven placement remained an allegation in the charging papers.
The Missouri Mother's Account in the Police Investigation
Officers had been sent to a Kansas City home at about 1.30pm after a report that a baby was not breathing. They found the one-month-old with apparent burns, according to charging documents. Kansas City Fire Department personnel pronounced her dead at the scene. FOX 4 Kansas City identified the child as Za'riah Thomas.
The words attributed to Thomas came from a family member. That person told detectives Thomas had said she thought she put the child in her crib and had accidentally put her in the oven.
Investigators were also told she had been putting the baby down for a nap. The charging account says the relative reported those words, rather than Thomas speaking directly to detectives.
Investigators recorded that the child was wearing a bodysuit and a nappy. Her clothing appeared to have melted onto the nappy, while a baby blanket recovered from the living room had significant burn marks, the probable cause statement said. Those details were included in the evidence gathered after emergency responders arrived.
After being advised of her rights, Thomas initially declined to speak with detectives, the charging documents said. She agreed to give a blood sample and allow investigators to access data from her mobile phone.
Following sentencing, Thomas was returned to the Jackson County sheriff's custody to await transfer to state prison.
