In addition to its role in fighting crime and keeping Americans safe, the protection of citizen's privacy, civil rights, and civil liberties is a vital law enforcement responsibility. This brochure covers law enforcement's duty to understand what activities are constitutionally protected and how to act in a manner to ensure equal protection for all citizens. It covers the importance of: 1) building relationships between the community and law enforcement; 2) protecting privacy and appropriately gathering, documenting, using, retaining, and sharing personally identifiable information only for valid law enforcement purposes; 3) protecting civil rights, ensuring that the rights of citizens and equal protection under the law are guaranteed to all citizens; 4) identifying constitutionally protected activities and limiting civil liberty violations; and 5) strengthening community trust by protecting privacy, civil rights, and civil liberties of all citizens equally and without bias or prejudice.