PHOENIX — At the Maricopa County Courthouse, court proceedings are typically open to the public. Anyone can sit in on a criminal trial, an arraignment or most other hearings.
But one part of the justice system operates almost entirely behind closed doors: the grand jury process.
From how jurors are selected to how they determine whether criminal charges should be filed, grand jury proceedings remain among the most confidential functions of the courts. Now, officials are offering a closer look at how the process works in Maricopa County…