This is a mobile version of The Leopold and Loeb Files, a true crime book by Barrett Nina. This app offers a new perspective on the Leopold & Loeb case, providing audience with an artifact first approach. By using this app, the audience can easily access not only the story of the book, but also various materials such as related newspapers and articles. Moreover, since the layout is designed like a detective board, the audience can feel as if they are actually involved in the investigation of the case.