What is that thing for?! 
To help you brainstorm!
Click on the different topics related to Law Enforcement.
The screen will populated with more topics to help you narrow down your search.
When you found the topic you are looking for, click 'View in Credo' underneath the MindMap.
A new page will take you to that topic in Credo Reference.
This is a great place to start when you are trying to decide what to do a project on!
