** FILE ** Then-Maricopa County Attorney Andrew Thomas (foreground), with Maricopa County Sheriff Joe Arpaio, speaks at a news conference in Phoenix in July 2010 about the U.S. Justice Department's suit against Arizona's immigration law. (AP Photo/Rick Scuteri, File)

Photo by: Rick Scuteri

** FILE ** Then-Maricopa County Attorney Andrew Thomas (foreground), with Maricopa County Sheriff Joe Arpaio, speaks at a news conference in Phoenix in July 2010 about the U.S. Justice Department's suit against Arizona's immigration law. (AP Photo/Rick Scuteri, File)