This essay provides an overview of civil liberties in the United States, focusing on the rights guaranteed by the Constitution and interpreted by the Supreme Court. It explores the concept of the Bill of Rights, its nationalization through the Fourteenth Amendment, and the debate over whether federal courts should impose single standards for all states. The essay examines specific freedoms, including religion, speech, press, and the right to bear arms, highlighting controversies and debates surrounding each. It further discusses controversial civil liberties like freedom of the press and analyzes rights guaranteed in the Fourth, Fifth, Sixth, and Eighth Amendments, including protection against unreasonable search and seizure, self-incrimination, right to counsel, and freedom from cruel and unusual punishment. The evolution of the right to privacy over the past 90 years is examined, along with the challenges posed by technological advancements. The essay concludes with a reflection on the future of civil liberties, emphasizing the importance of balancing privacy with national security concerns.