The document discusses the Patriot Act and its expansion of law enforcement and government powers after 9/11. It provides the example of how the loose definition of terrorism in the Patriot Act allows authorities to pursue individuals for regular criminal activities if deemed potential terrorism. However, this has led to abuse of power and violations of civil liberties. The document also discusses how the Patriot Act allows searches of homes and businesses without warrants, which infringes on 4th Amendment rights. While intended to help detect terrorists, the Patriot Act is criticized for worsening civil liberties.