Liz's intuition was not wrong. All of this was Huai Shi's doing, including deliberately provoking Old Jo's fear of confined spaces with subtle language, knowing his condition beforehand, and causing him to fall into an abnormal state.
It was a test before the jailbreak. Huai Shi originally wanted to see how vigilant the Ivy League was against him, a prisoner. But he didn't expect to hit the jackpot—in every sense of the word.
To have Liz, such a big fish, bite on the first try was purely accidental. It's unclear if his luck was good or bad.
