81.   Investigators also hope to determine when death occurred.

82.   Investigators also hoped to question the pilot of a corporate jet who may have seen the USAir jetliner in its final moments, Vogt said.

83.   Investigators had hoped the black boxes would help them determine what caused the plane to explode in midair and crash.

84.   Investigators hope the pieces of wreckage will help identify the cause of the crash.

85.   Investigators hope the two will name an unidentified police lieutenant general who they believe ordered the killings.

86.   Investigators hope to find additional forensic evidence indicating whether the explosion was caused by a bomb or missile, the official said.

87.   Investigators now hope to determine where and how the photos were taken.

88.   Investigators are hoping to have more details once they interview the flight crew.

89.   Investigators hope that such a move will generate new information among the public, researchers and other experts and lead to a break in the case.

90.   Investigators hoped the voice recorder could contain information to help fill that gap.