INTERNET SEARCHES FOR VETTING, INVESTIGATIONS, AND INTELLIGENCE
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with queries of Facebook and MySpace, ignoring hundreds or thousands
of other approaches. Each enterprise should dene what constitutes suf-
ciency of Internet searching for its purposes, based on a risk assess-
ment and cost-benet analysis of vetting requirements and methods.
Complicating this calculation is the fact that there are thousands of Web
sites that promote and host illicit activities, from extramarital affairs, to
exchange of copyrighted works without permission, to sale and purchase
of stolen property. Most illicit sites are part of the “dark Web”; that is, they
are not indexed by Google and will not appear in casual Internet search
results. Many users ...