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The Guardian - US
The Guardian - US
World
Marina Dunbar

Ex-safety manager given 19 months’ prison over five-year-old’s hyperbaric chamber fire death

A child sits on a bench
Thomas Cooper. Photograph: GoFundMe

A former safety manager has been sentenced to one year and seven months in prison in connection with the death of a five-year-old Michigan boy who was killed in a fiery January 2025 explosion inside a hyperbaric oxygen chamber.

Jeffrey Mosteller, 66, received that sentence after pleading no contest to involuntary manslaughter in Oakland county circuit court in Michigan on Monday.

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