lt;pgt;People in the

Emperor Taizong Li Shimin ordered the Imperial Censorate Wei Zheng to be in charge, with assistance from the Ministry of Justice, to thoroughly investigate this case.,Is this because he felt that he had been sending people to prison in his past life and lacked the experience of prison life, so they specially sent him on a three-day trip to prison,He couldn't see the back of his head, so he came to the railing and turned around to say to the jailer, "Could you please take a look at the back of my head"。