[Machine Translation] A paperback edition of a documentary series on unsolved crimes in which former detective Ken Kitashiba unravels the truth behind these cases and visits crime scenes to conduct criminal profiling is now available. Mr. Kitashiba s commentary from a detective s perspective allows readers to vividly visualize the investigative techniques used by the police. The book covers nine cases for which the statute of limitations has been abolished, including the Setagaya Family Murder Case and the Hachioji Supermarket Robbery-Murder Case. It features outlandish deductions and numerous vivid post-incident crime scene photographs. Parts of this article were published on Bunshun Online" in 2021, where it ranked fourth among the site s most popular articles that year.