Book excerpt: The California State Senate Office of Research examined the USA PATRIOT Act & assoc. Fed. powers that the gov't. acquired to protect the country against domestic terrorism following the attacks of 9/11. The office has looked at these issues from the perspective of members of Muslim communities in CA. The office discovered that a broad cross-section of these communities find the force of these new powers to be aimed against Muslims innocent of any connection to terrorist acts or known terrorist intentions. Contents: The PATRIOT Act -- An Overview; Selected Patriot Act Sections; The Roundup of Muslim Immigrants; Fed. Enforcement & the CA Connection: State & Local Issues; Foreign Students & Scholars; Conclusion; Stories; US-VISIT Fact Sheet.