Bombet, Cashio & Associates P.I. Links - An excellent collection of P.I. links, including State, Regional, National and International Associations, Networks, News Groups, and associated sites of interest.

CluesOnline - An online newsletter for professional investigators.

PI-Digest - Newsgroup for licensed Private Investigators.

Society of Professional Investigators (SPI) - The Society of Professional Investigators, Inc. is a nonprofit organization, incorporated in 1956. Our membership includes investigators from City, State and Federal organizations, both active and retired; primarily from the Northeast USA, with members throughout the World.