As our newest detective, we're going to start you right off with a tough case. Throughout your investigation, you'll receive instructions from the chief via email. You'll do most of your work using the casefile, which contains all the particulars of the case. The lab can help with the nitty gritty science behind pathogen tracking. Also, the encyclopedia is always available to offer background information on pathogens and the science of pathogen tracking. When it's time to use one of these resources the word will be shown in bold and its link on the right will be highlighted in red. Take a look in the encyclopedia to get some background info on pathogens, and then check out the casefile for your first case!