1.   A major investigation is under way to root out graft there, they said.

2.   A major investigation is underway to root out graft there, he said.

3.   But United Nations officials called for caution, saying a government investigation was necessary to discover the truth.

4.   Despite assurances from government officials that an investigation is in progress, his whereabouts remain unknown.

5.   Every investigation was to her like a personal crusade, a quest, that she had to complete.

6.   First, they say, independent counsel investigations are too open-ended and too expensive.

7.   Hill lit his first cigar of the afternoon and thought how popular his investigation should be.

8.   How it got to this point is there was an investigation of a staff member abusing a child.