31.   But since then, many key witnesses have been reluctant or unable to testify, including Rushton Skakel, father of Michael and Thomas.

32.   But short of that or the cooperation of another key witness, sources say, the probe is dead.

33.   Cardiges is also likely to be a key witness against two other former Honda officials who were scheduled to go on trial with him Tuesday.

34.   Checking with experts to see whether waiting five days to circulate a picture of a key witness is standard, or if it could have cost police a lead.

35.   Defense attorneys had wanted to wrap up their presentation by questioning Andrews, who they consider a key witness.

36.   Curry was forced to trial without getting independent tape translations and without talking to key witnesses.

37.   Duncan was to be a key witness today before the oversight and investigations subcommittee of the House Energy and Commerce Committee.

38.   Ellen Cole was the key witness in the case.

39.   Foster, a long-time law partner of the first lady, would have been a key witness in the travel office inquiry.

40.   Gaitan removed himself this week, citing his friendship with a key witness in the case.