The authors also interviewed federal and local investigators in terrorism cases throughout the 1990's.
"But there was never any disagreement among the local investigators."
However, there are two additional cases with less laboratory evidence being reported by local investigators.
Professional pride aside, a local investigator would know the area better and be a hell of lot cheaper.
The group, which is financed by foundations and European governments, has worked or helped to train local investigators in more than 20 countries.
He persuaded local investigators to raid the factory in January 1994.
This allows the local investigators to make an informed judgment on whether to participate in the study or not.
But a local private investigator was also watching him, and he couldn't understand that.
The case was finally solved nearly seven years later with the help of a local amateur investigator and a British journalist.
Hundreds of Federal and local investigators are working on the cases and have solved several.