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.

Tamela Peterson allegedly shared CCTV photos of 5-year-old Thomas Cooper from the fire and included disturbing text messages ...

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

Troy police say Tamela Peterson ran away when asked for her cellphone after Thomas Cooper died in a hyperbaric chamber fire ...

Two other people were arrested Monday and also are expected to be arraigned in the child's death, police said.

Prosecutors said a safety manager at the Oxford Center conducted “his own experiments” on a hyperbaric chamber to prove to ...

"Witnesses in this case have indicated this defendant has bullied, threatened, harassed, humiliated and filed lawsuits ...

Tamela Peterson, 58, of Brighton, is one of three employees charged with second-degree murder with an alternate charge of ...

Three people have been charged with second-degree murder after a 5-year-old boy was killed when a hyperbaric chamber exploded ...

Thomas Cooper was killed while receiving hyperbaric oxygen therapy for ADHD and sleep apnea at the Oxford Center in Detroit ...

The Michigan attorney general has accused the owner of a medical center and three of its employees of ignoring safety ...