Justices to Consider If Criminal Cases Require 12-Person Jury

The US Supreme Court will consider overruling a 56-year-old precedent and decide whether the Constitution requires 12-person juries when a defendant is charged with a serious criminal offense.

The justices on Monday agreed to review that question in a challenge teed up by a man who was tried and convicted by a six-person jury in Florida of practicing chiropractic medicine without a license. In Florida, all non-capital criminal cases are tried in front of six-person juries, which Hamed Kian claimed infringed on his Sixth and 14th Amendment rights.

By taking up Kian’s challenge, the justices will consider overruling Williams v. ...