11.   Military investigators specifically cautioned them not to implicate any higher ranking officers, one guardsman said.

12.   The investigator cautioned her that if she pressed criminal charges her name would be made public.

13.   The investigators caution against overreacting to the preliminary test results.

14.   Whitewater investigators also cautioned not to read too much significance into the end of the Arkansas grand jury, which was set to expire on Thursday.

15.   But state investigators cautioned that the sightings were unconfirmed and similar to reports from Colorado and Oklahoma.

16.   One U.S. investigator cautioned, however, that the FBI has been unable to place Hatfill near Trenton, New Jersey during the time the anthrax letters were mailed.

17.   Clear skies on Sunday helped the boat crews searching the surface and helicopters circling overhead, although investigators cautioned that the surface debris was unlikely to provide significant clues.