Here's what we know so far about the hyperbaric chamber death of 5-year-old Thomas Cooper, the Oxford Center, and the people charged in his death.

Dana Nessel will be announcing the arraignment for Tammi Peterson for second-degree murder and manslaughter charges. She is ...

Michigan Attorney General Dana Nessel announces charges in a hyperbaric chamber explosion that killed a 5-year-old in January ...

Michigan Attorney General Dana Nessel will announce charges against the four people who were arrested in the case that led to ...

Four people have been charged over the death of a five-year-old boy who was “incinerated” inside a pressurised oxygen chamber ...

Thomas Cooper from Royal Oak, Michigan, was pronounced dead at the scene at the Oxford Center in Troy, Michigan.

Allegedly, neither a medical doctor nor a safety supervisor was at the medical facility when the chamber exploded.