◆ SpookStack

ae bd. —— - ——$——__—_. Sanitized Copy Approved for Release 2010/07/07 : CIA-RDP87M00539R000901 190016-2 SECR ET INTRODUCTION The purpose of this publication is to provide, on a semiannual basis, an overview and analysis of hostile intelligence service (HOIS) activities in the United States, including presence, operational trends, collection targets, and modus operandi. Detailing and analysis of key FBI counterintelligence operations is also afforded. In the interest of operational and administrative security and acknowledging the need-to-know principle, information is not set forth in specific, detailed documented form. Comments and queries regarding this publication are welcome and may be addressed to FBIHQ, Intelligence Division, Attention: T. J. Dillon, CI-3 Section, B Unit. SECR ET - ili - --ppyoe- —--- Sanitized Copy Approved for Release 2010/07/07 : CIA-RDP87M00539R000901190016-2