Following the terrorist attack on September 11, 2001, President George W. Bush signed the PATRIOT Act, expanding the power of F.B.I. and its ability to surveil citizens. In this 2005 New York Times article, Eric Lichtblau discusses released F.B.I. documents, revealing that certain activist groups are watched by the F.B.I. While this was one of many counterterrorism tactics, or strategies used to prevent terrorism, many found the surveillance to be controversial. It also offers guided reading, an assessment, and discussion questions. [Free account registration required for specific tools.]