Thomas Cooper, 5, of Royal Oak died in a hyperbaric oxygen chamber fire Jan. 31 at the Oxford Center in Troy.

The CEO of the Oxford Center and three workers are criminally charged in Thomas' death. They appeared in a hearing to determine if they'll stand trial.

Attorneys questioned a vice president from Sechrist Industries, which manufactured the hyperbaric chamber, during testimony at 52-4 District Court in Troy.

After a nearly three-month break, testimony resumed Monday, Dec. 1, in the criminal case involving the CEO of the Oxford Center and three employees in the death of 5-year-old Thomas Cooper , who was undergoing his 36th treatment inside a hyperbaric oxygen chamber in January when it burst into flames , killing him.

Majid Mashayekh, vice president of quality assurance and r

See Full Page