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

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.

According to court documents, Peterson sent still photos of Cooper, from the CCTV footage, burning inside of the chamber.

A transcript of a Troy detective’s testimony to an Oakland County District Court magistrate sheds light on the Jan. 31 ...

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

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

Tamela Peterson, owner and founder of the Oxford Center, was given a $2 million bond. Three other employees also charged.

A transcript of a Troy detective’s testimony to an district court magistrate sheds light on the Jan. 31 explosion at the ...

"I was actually in the parking lot when the chamber exploded, so I kind of saw everything happening," she said. "I was kind of numb, shocked, sick to my stomach." ...

Tamela Peterson, 58, of Brighton, is one of three employees charged with second-degree murder with an alternate charge of manslaughter, to be determined by the jury.

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