111.   Investigators will have an easier time finding tax evasion by customers of American Express, which agreed to turn over some records after giving the customers advance warning.

112.   Investigators had only radar from which to reconstruct the accident.

113.   Investigators have almost nothing that would lead them to the children.

114.   Investigators will have to go onto the streets, as they do routinely, looking for informants or someone the hackers bragged to.

115.   It failed to provide detailed analysis of what went wrong in Singapore because investigators had trouble getting access to relevant documents.

116.   It also noted that Singapore investigators had access to documents and witnesses that were not given to Bank of England investigators.

117.   Investigators had difficulty reconstructing events leading up to the change because FBI documents about the incident disappeared.

118.   Investigators had no comment about the report.

119.   Investigators have clues that may lead them to the perpetrator.

120.   Investigators have evidence that some people unwittingly assisted the hijackers but did not know about the overall plan.