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Office Memorandu ~e ‘UNITED STATES covernuayh . DIV. TO : SAC, New York (Fe) DATE: 26/54 ae we DIY. SUBJECT: SURVEY - MANPOWER NECESSARY TO — ee CONDUCT AVERAGE CONFIDEN! IAL mor ae J ANONYMOUS INVESTIGATION j we S. , x A survey of confidential anonymous investigations’ ¥ mere reveals that these investigation are handled in three phases: —_ ssc 1) the survey which includes file reviews, indices checks and .. s“\ ackground investigation; (2) the actual assignment, and |) a OP (3) processing information obtained on the assignment.) {4} are, ~ _—SEC ( z._sunvex \ & (u) The survey entails file reviews and indices checks on ' occupants of the apartment or office involved, In cases wherein ‘ there has been a previous investigation, this phase of the confidential assignment is limited to the review of the files © However, where there is no file on pertaining to the subject, the subject, conSidereable background information Ss to \be developed as well as an exhaustive indices search, v) 7-18. In each case it is necessary to deveiop confidential sources at the apartment or building involved. In the average case this requires developing the superintendent and/or some other oceupant of the building who is in proximity to the subject's Br Ht om Beligutine the develooment of | source at the apartment, FoLiowing tne ceve.opment nu residence, the next problem is to set up a plant or cover apart- ment where photographic equipment can be operated and where ‘ possible movements of the subject can be physically opserved. w | The manpower required in the survey, the initial phase of the confidential assignment, on the average requires two agents to conduct the necessary file reviews, indices checks and to develop the sources and establish plant or cover eauynawneansn APA See ae apartment. The two agents take on the average fyfrom one to three days on this phase of the assignnent tL, (4) atti. Once the cover apartment or plant has been eatablisheg 4t 18 necessary to conduct a physical surveillance prior to thes actual assignment to determine the activities and mevements the subject and other occupants in the office or apartament which he is located, The manpower to be expended 2s depe / 7st upon the number of persons ;jyvolved in the subject apartn Pil | office and the size of the’ ‘buliding in question. The aves assig requires four $8-hadsa period of frow‘tine’ Co b zeae TE Hap I” IMD EXCEPT ONTATIWED I§ CLASSTIR * ALL INFORMATION ¢ HEREIN 15 Ut WHERE SHOWN OTHERW