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Cryptonym: AMSESS-1

Definition:
Oscar Concepcion Mendoza
Status:
Documented
Sources:

104-10181-10143: CABLE- IDEN A MANUEL VEGA PEREZ, IDEN B OSCAR CONCEPCION MENDOZA

"IDEN B. Oscar Concepcion Mendoza, 201-729530"

104-10181-10142: CABLE- IDEN A HAS BEEN ASSIGNED CRYPT AMPOON/l, IDEN B CRYPT AMSESS/l

"IDEN B has been assigned the crypt AMSESS-1"

104-10072-10234: OPERATIONAL-INITIATION OF CONTACT

Concepcion considering defecting to the US, provides intelligence information to Mexico City station case officer. "When the matter of an additional meeting was discussed, AMSESS said that he would be willing to meet the c/o and AMNIP (Miguel Roche) in December (1964) or January (1965). The c/o said that he was unable to see why it should take AMSESS so long to make up his mind..."

Contributors:
Bill Simpich

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