Did the students in Anqing No.1 Middle School really get killed and their kidneys removed?

The police station of Beizheng Street of Anqing Public Security Bureau received an alarm from a middle school teacher at 1 1 20 am on April 7, saying that Yang, a sophomore in this school, turned off his mobile phone after talking to his family at 19 am on April 6, and he did not know where to go. After receiving the report, Daguan District Public Security Bureau immediately organized the police to carry out the investigation. The investigator investigated Yang's action track on April 16, 2006 by various means, and sent an investigation letter to the surrounding public security organs. On April 27th, Yang's body was found in the waters near the East Wharf of Yangtze River Shipping in Anqing City. On the morning of April 28th, under the witness of the relevant personnel of No.1 Middle School and Yang's relatives, after a preliminary autopsy, Yang was completely dressed and had no trauma. At first I thought it was drowning. The specific cause of death and its nature need to be confirmed by the public security organs after an autopsy and further investigation.