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| Persons Who Have Been Prosecuted | 15 |
|---|---|
| (Brothman, Coplon, Fuchs,g, Gold, Greenglass, Gubitchev,h. Moskowitz, J. Rosenberg, E. Rosenberg, Slack, Sobell, Jack Soble, Myra Soble, Perl, Hiss) | |
| Persons Involved in Silvermaster Network | 29 |
| Persons Involved in Mocase | 5 |
| Other Persons Now in United States | 43 |
| ----- | |
| 218 | |
| Less Those Counted Twice, Described Below | 12 |
| ----- | |
| 206 |
- a. Golos was also involved in Silvermaster Network.
- b. White was also involved in Silvermaster Network.
- c. Bentley was also involved in Silvermaster Network.
- d. David Greenglass was also prosecuted.
- e. Gold was also prosecuted.
- f. Morros is also involved in Mocase.
- g. Fuchs also counted in those not now in United States.
- h. Gubitchev also counted as Soviet official.
- a. Golos was also involved in Silvermaster Network.
- In the Spring of 1954, [Venona project began furnishing data concerning the activities of the MGB in San Francisco during the 1940’s. [Venona project advised there are about 400 messages which they believe they might be able to read in whole or in part. These messages cover San Francisco-Moscow traffic and are in the 1943-1946 period. To date, we have received 172 of these messages and we are pressing [Venona project] for more material since we believe we can identify more Soviet agents who operated in the United States from this link. [Venona project] has advised this traffic is extremely difficult to read.
- All phases of this matter are being closely followed and close supervision afforded to all cases in the field. Continuous research through Bureau files is being conducted to identify other agents and we are alert to the need of capitalizing on the information available to us to penetrate any presently operating Soviet espionage network.
