People v. St. John

Upon petition of the prosecuting attorney, in which he alleged — "that certain crimes and offenses have been committed in Genesee county, Michigan, and that certain persons may be able to give material evidence respecting such crimes and offenses," the circuit court ordered a "one-man grand jury" hearing and directed "that all witnesses whose names are known to said prosecuting attorney shall be subpœnaed to attend," etc., on the 15th day of July, 1936.

On September 4th following, Circuit Judge Gadola, who had been sitting as the "one-man grand jury," entered an order commanding the sheriff to…