Already facing federal contempt charges, Sheriff Joe Arpaio faces new legal hurdles as the lawyer representing him in two other immigration-related cases quits.

Juries are entitled to hear from an expert witness on a particular type of crime even if that person knows nothing about the specific victims in the case, the Arizona Supreme Court ruled May 29.

Testimony concluded Thursday at a trial aimed at settling allegations that an Arizona sheriff's office known for its hardline immigration enforcement has racially profiled Latinos.

There were no TV cameras, no scrum of reporters, no protesters — and there was no swagger inside the courtroom when the typically brash Arizona Sheriff Joe Arpaio took the stand to face critics who say he and his deputies racially profile Hispanics.