Officeroperative officer
Vasil Danailov Kostov
Васил Данаилов Костов
State Security (ДС)
- Persons in the archive
- 1
Known only from the records of the persons he recruited or handled.
Recruited or handled by him
| Person | Pseudonym | His part | Structure | Decisions |
|---|---|---|---|---|
| Nikolay Gerasimov GeorgievOperative contact, Agent, Secret collaborator | “Viktor” („Виктор“) | handled | ПГУ-ДС | 1 |