In re District Attorney

A witness was summoned before a Plymouth County grand jury on October 22, 1984, in connection with an investigation into the theft of cocaine from the evidence room of the Brockton police station. When questioned about the theft, the witness stated his intention to assert his privilege against self-incrimination. U.S. Const, amend. V; art. 12 of the Massachusetts Declaration of Rights. The district attorney then applied for a grant of immunity. On November 9, 1984, a single justice of this court granted the application, and further ordered that the witness “answer all questions and produce…