21. He is the first politician of the 1956 Communist leadership to face a criminal inquiry . 22. The FBI is conducting a criminal inquiry into how the welfare contracts were awarded and why. 23. A separate criminal inquiry is continuing. 24. The administration has cited a criminal inquiry into the case as the reason for withholding documents. 25. But Reno renewed concerns that disclosing such details could undercut the department's criminal inquiry . 26. The referral to Congress of possible impeachable offenses does not conclude Starr's criminal inquiry . 27. But law enforcement officials said that the criminal inquiry led into a succession of dead ends. 28. On two previous occasions, Reno rejected advice to seek an outside criminal inquiry of Gore. 29. The FBI has a policy not to tape-record most interviews conducted during criminal inquiries . 30. The Israeli official did not rule out the possibility of a criminal inquiry into the incident.