100+ replies and still speculation. Did nobody read the article?
The restraints caused compartment syndrome, which is a limb- and life-threatening condition which occurs after an injury, when there is insufficient blood supply to muscles and nerves due to increased pressure within the compartment such as the arm, leg or any enclosed space within the body. If uncorrected, the lack of blood supply leads to injury in the affected muscles and nerves. Complications include necrosis of the tissue in the affected compartment.
Read the article? You’re kidding, right???