The 15-month-old lioness was so weak that she lacked proper muscle coordination. She couldn't stand up on her own, let alone find the strength to lift her head in order to drink water. Furthermore, her head had a pronounced tilt.
According to Sheila's bio, the USDA warned In-Sync that, due to her poor condition, she would more than likely have to be euthanized. For four days after her arrival to the rescue, all she did was vomit and lie lifeless on the ground, but In-Sync was determined not to lose her.