Police officers need to be able to look through the information they have gathered during a criminal investigation. It is often necessary to cross-reference different types of information and documents in order to make the case closed. In the modern world, with the advancement of technology, it is possible to do this from a computer. However, it is more time consuming and less productive to do it on a laptop or desktop. The Pocket Brainbook for Police is the solution to this problem. It is a customizable mobile device that allows the user to keep up to date with the latest developments in the field of law enforcement. It is also possible to keep track of the information that is gathered during a criminal investigation.