Butterfly Effect

[The genuine version is in Jinjiang! ! ! A murder occurred in Linyuan City No. 3 Middle School. The deceased was a student of the school. He was naked when he died... Through interviews and investigations, the detective team found that everyone who had contact with the deceased had a motive for committing the crime, but in the end, none of them was the murderer... Is there really no one who is the murderer? Purpose: Pay attention to mental health