A talk show that began airing on tvN in April 2021. 'Al-Sshin-Shin-Jap', a feast of knowledge from polymaths, returns in an in-depth crime edition. 'Useful Criminal Encyclopedia' that confronts us with crime, which is both distant and close to our daily lives, from new and diverse perspectives. Everything about crime explained by polymaths from fields such as criminal psychology, law, science, and film. We invite you to a useful criminal humanities chat.