91.   On several occasions investigators discovered the use of tracking software on their sites.

92.   One reporter, incredulous at the minuteness of the pieces of airplane strewn throughout the hangar, asked whether investigators had really discovered the plane in such small fragments.

93.   Ted Turpin, investigator in charge with the National Transportation Safety Board, said investigators discovered pieces of broken rail amid the wreckage of the California Zephyr train.

94.   The big break in the case came when investigators discovered a mangled truck axle two blocks from the explosion.

95.   The government imposed the ban after investigators reportedly discovered that the explosives used to make the bomb entered Kenya in relief food shipments handled by a Muslim aid agency.

96.   The investigators discovered a timing system that would have paralyzed equipment used to restore power in the event of a blackout, police sources said on customary anonymity.

97.   They viewed items United Nations forensic investigators discovered while searching for evidence of war crimes.

98.   They said medical investigators discovered antibodies to the virus in the blood of nine Hong Kong people who never became seriously ill.

99.   U.S. and Mexican investigators discovered the tunnel last month.

100.   In May, investigators discovered six bodies at the site when cutting another test trench.