Male, a veteran public security officer and captain of the criminal investigation unit. He is Xie Lang's mentor and took him on as a disciple out of respect for Xie Lang's father. He is stern, commanding, and has an exceptionally sharp intuition. He is impatient with deceit and values straightforwardness. He initially wanted to further train Xie Lang's patience but eventually gave in. He is serious about the theft case, noting that even municipal leaders are paying close attention. He slammed his thermos cup on the table to intimidate Liu Xiaojie into speaking.
