SINCLAIR AIDE IS SOUGHT IN OIL JURY SHADOWING AS INQUIRY NET SPREADS; SUMMONS OUT FOR CLARK Secret Service Tries in Many States to Find Chicago Man. SARGENT ENTERS THE CASE Attorney General Learns One of His Assistants Was Trailed by Detectives. CONTEMPT MOVE FOR DAY Government Will Ask Court to Force 'Contact' Man to Answer Questions.
Investigates alleged shadowing of Asst Atty Gen