NAIS Site
This site is for serious investigators; you will spend a long time going through all of the investigative resources that can be found on this site.
Journalist's Toolbox
Here are some links from the Society of Professional Journalists.
Underground Phone Society
This page of investigative resources is quite entertaining - wait til you read some of the site descriptions!
Web of Deception
This is Joseph Culligan's site. Without Joseph Culligan, there wouldn't be a Spies Online site. He inspired it all. What more can I say? Joe is no longer with us, but a copy of his site is preserved on the Way Back Machine.
E-Investigator.com
Lots of well-organized links to investigative resources on the Net can be found here.
Infoguys
This site has some resources for the professional investigator.
Skipease
Skipease contains a wealth of investigative resources for the skiptracer or anyone looking for tools to conduct a free people search.
Virtual Gumshoe
The investigative resources on the site are only outdone by the adorable gator mascot.
The PI Museum
Interested in a little PI history? Be sure to check out this online museum devoted to the history of private investigation.
Please note: These links are provided for informational purposes only, and Spies Online has no control over material contained on other sites. Links on this page are not necessarily endorsed by Spies Online but serve to show the reader what exists on the Net on these topics. It is quite possible that some of these links could contain inaccurate information; therefore, the reader should use caution and seek out information from many different sources before forming any opinions.
Know of a site that belongs on this list? Contact Spies Online.