Karen C. London & Stephanie A Westbrook 
Immigration Enforcement [PDF ebook] 
Elements and Legal Issues

This book addresses the new elements and legal issues pertaining to immigration enforcement in the United States. Topics include the scope of prosecutorial discretion in immigration enforcement; a look at whether administrative amnesty harms our efforts to gain and maintain operational control of the borders; defining and quantifying the criminal alien population and enforcement statistics; the various authorities governing immigration detainers and key legal issues; authority of the state and local police to enforce federal immigration law; the Supreme Court’s ruling in Arizona v. United States and the implications for immigration enforcement activity by states and localities; immigration-related worksite enforcement performance measures; and border security and immigration enforcement between ports of entry.