81.   But the investigators were unable to speak with the pilots whose identities have not been disclosed.

82.   But some investigators are entranced.

83.   But the medical investigators were leery.

84.   But this time, investigators are confident that nature is responsible for the latest wolf death.

85.   But while investigators still were not able to blame a bomb, they acknowledged it remained a strong possibility.

86.   But Wilson said investigators were not able to speak with the family, who said they had hired a lawyer and no longer wished to speak with investigators.

87.   But who needs to get grilled when the investigator is you and the LAPD?

88.   But, the agency official said, board investigators were skilled generalists.

89.   By checking computer records left by the bar codes, the investigators were able to identify letters that sped through the sorting machines at the same time.

90.   By the time investigators were on the case, many of the students and instructors involved had transferred to other far-flung jobs in the fleet.