Safety Director Pleads No Contest in Child’s Death at Hyperbaric Chamber Incident
Jeffery Mosteller, the Safety Director at the Oxford Center, is set to be sentenced after pleading no contest to involuntary manslaughter. The charge is related to the January 2025 death of 5-year-old Thomas Cooper, who died in a hyperbaric chamber…

Detroit, MI, August 31, 2026 —
Jeffery Mosteller, identified as the Safety Director at the Oxford Center, is awaiting sentencing following a plea of no contest to involuntary manslaughter. This plea is connected to the January 2025 death of a 5-year-old child, Thomas Cooper.
The incident involved a hyperbaric chamber explosion at the Oxford Center. Prosecutors have alleged that safety protocols were ignored, leading to the fatal event.
The specific details regarding the sentencing date or any penalties beyond the plea have not been provided. The contractor’s name was not provided. The fine amount was not provided.
The investigation focused on the circumstances surrounding the hyperbaric chamber’s operation and the adherence to established safety measures at the time of the explosion. The plea of no contest means that Mosteller does not admit guilt but accepts the conviction as if he were found guilty.
Further information regarding the court proceedings and the outcomes for Jeffery Mosteller is anticipated as the sentencing phase approaches. The legal process will address the allegations of disregarded safety protocols in the context of the tragic death of young Thomas Cooper.
Story summarized from the original created by Sara Molina on www.wxyz.com, see more information here.