Evidence of Police History

She is a devil hiding in the darkness and an angel in the sunshine of life. In the eyes of outsiders, she is a cunning little fox and a dangerous time bomb. In the eyes of her friends, she is a simple and innocent little white rabbit, detached from the world and uncontested. In this life, she joined the special case team under the pseudonym Xu Wan "Bei". In the battle between human nature and desire, the battle between good and evil, the battle between darkness and light, the countdown to death is entered step by step. Revealing the trauma that criminals suffered in their childhood, life experiences, social relations, family background... And exploring their criminal psychology and motivations are not meant to provide understanding and sympathy, nor to find reasons for criminals to absolve themselves of their crimes, but to give those who are walking on the tightrope of crime a chance to make a new choice, whether to pick up the butcher's knife and fall into the abyss of crime, or to put down the butcher's knife and turn around...