Grand juries are a handy tool for prosecutors, providing a ready pretext for any potentially controversial decision to bring charges or, as is often the case with police accused of crimes, not bring charges. Do grand jury proceedings serve any purpose, or are they just theater? Dave explains on 90.5 WESA's The Confluence.
Read MoreOur February 10 bonus episode on the mechanics of the seemingly inevitable Mueller-Trump interview prompted a question from Eric in New York: is it true that some witnesses get immunity from prosecution when they testify in grand jury proceedings?
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