This page will help you to:

• Understand what information is available on the Criminal Enforcement layer;
• Decide where to go to find the data you need;
• Learn how to use the tools effectively to create a customized analysis.

Select Tools for a brief overview of the features of TRAC Express, Going Deeper and TRAC Analyzer. Here you will also find a series of "table examples" illustrating the different tables and analyses generated under alternative menu choices.

Select Data for background information about the federal criminal justice system and available data sources (including their strengths and limitations). A glossary of specialized terminology is also available. Finally, a directory provides direct links to codes and table topics available on the site.

Select Geog for information on geography. A detailed map helps you find the federal district or districts covering the communities that interest you. A link to the "County Locator" allows you to look up which federal district any county in the country falls within.

Select Guided Tour for a description of each of the many tools available, as well as detailed instructions on how to use them. A pop-up window within the Guided Tour provides a "Roadmap" to all of the sections on the Tour. This allows you to explore features at your own pace. Return to this Tour whenever new questions arise or for advice on a specific topic. Commonly encountered pitfalls are discussed, as well as ways to avoid them.

See the answers to Frequently Asked Questions for additional help with the most common questions our users ask.