Detective Meng season 2 issue 4 who is undercover?

Z.tao. According to the plot of the fourth issue of the second episode of Meng Detective Case, Zong Ren thinks that the murderer of his father-in-law is a boy. After integrating the search data, the corresponding undercover is Z.tao. Meng Detective Case is an IP immersive reasoning reality show produced by iQiyi.