A shocking moment

The story takes place on the border between the United States and Mexico. A farm worker from Caesar rescued an injured female patrolman along the way. On the way to the hospital, the female patrolman died in his car and his brain fell from his head. Caesar was sentenced to electrocution. Diana, a MD, managed to use new brain holographic scanning technology to prove Caesar's innocentness, but ultimately failed due to pressure from all parties.At this time, a nightmare serial killer was sent to prison. He seriously threatened the safety of the people on the border between the United States and Mexico. Diana wanted to take this opportunity to analyze the repetition, hoping to find evidence to restore Caesar's innocence. This person was also willing to accept the analysis and called Diana a "disguiser". However, during the test, an accident happened. The policeman who came into contact with him committed suicide by swallowing a gun. Diana also discovered that he could actually affect his brain thinking. He claimed that he had evolved beyond humans.When the person was executed, the warden committed suicide by crazily. After dissection, it was found that the warden's brain had been eaten by a parasite.The electrocution continued to be executed, and the doctor confirmed that he was dead twice.The nightmare was over, but Diana felt that it was not over yet. At night, she woke up in her sleep...