The little girl was left at the police station door by a person. The on-duty officer checked her information, and this person was Su Wanwan's mother, Li Chunmei.,He said nothing and with a stride, walked out of the office.,The human trafficking case is a major one, and it has shaken the city. The leaders are paying special attention to it. These days, everyone is working overtime to cross-reference similar DNA samples while investigating the dens of the traffickers, preparing to catch them all in one go.。