431 U.S. 181 97 S.Ct. 1814 52 L.Ed.2d 238 UNITED STATES, Petitioner,v.Gregory V. WASHINGTON. No. 74-1106. Argued Dec. 6, 1976. Decided May 23, 1977. Syllabus Respondent, who was suspected, with others, of possible implication in a theft, was subpoenaed to appear as a witness before the District of Columbia grand jury investigating the crime. The […]