Sheriff Joseph Arpaio, Amicus Curiae
Thomas P. Liddy, Counsel of Record
Joseph Arpaio has served as the elected sheriff of Maricopa County, Arizona, since 1992 and is an advocate of stricter immigration enforcement. Thomas P. Liddy is a senior litigation counsel in the Maricopa County Attorney’s Office. The following is excerpted from the Amicus Curiae Brief for Petitioners as submitted to the U.S. Supreme Court on February 13, 2012. This case poses the question whether a law passed by the State of Arizona relating to State enforcement of immigration law may be preempted because it violates the Supremacy Clause of the United States Constitution, where that law has not yet taken…
