After interrogating the innkeeper Li Dafu, it turned out that he had gone mad from fear after being thrown into the Imperial Guard Office's prison.
Only the chief examiner and five co-examiners could access the exam questions before the Imperial Examination.
Upon investigation, Prince An Yan Xuan had no suspicion, among the other four people, two confessed under torture.
They admitted to leaking the questions to the innkeeper and letting him sell them at a high price.
Witnesses, physical evidence, and suspect testimony! All complete.
At a glance, there were no problems with the case file. The witnesses, physical evidence, and testimony all made the case without a shred of doubt.