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 ...

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

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.