The murderer in the fifth case is Lao Rongzhi. The prototype of this case is the Lao Rongzhi case. In reality, Lao Rongzhi used his beauty to commit crimes in many places with his boyfriend Faziying, kidnapping and killing. She killed 7 people, including a young child, but Lao Rongzhi had plastic surgery and escaped. She was not arrested until 20 years later and was sentenced to death. However, she put all the blame on Faziying. Now she is still appealing. middle.