In Re LaRussa

OPINION OF THE COURT

ROBERTS, Justice.

This is one of three companion cases 1 in which this Court must interpret the Act of November 22, 1968, P.L. 1080,19 P.S. §§ 640.1-.6 (Supp.1974).

I

On January 31, 1974, the Philadelphia Court of Common Pleas convened a special grand jury to investigate, among other things, alleged corruption in the Philadel*88phia Police Department.2 Pursuant to a subpoena, appellee Salvatore LaRussa appeared before the grand jury-on August 2, 1974. At this proceeding, he was questioned about bribes he allegedly paid to police officers on behalf of his employer and about his…