Central Intelligence Agency (CIA)
Nosenko is detained during contested CIA assessments of his defector claims.
Historical biography archive · Updated 2026-11-03
Peter Deriabin Biography and Timeline
Follow Peter Deriabin through 2 dated historical records for United States of America.
Peter Deriabin, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1964–1964Years on this page
1964
KGB (Committee for State Security)
Part of the evidence against Nosenko is from the work of defected KGB Major and CIA agent Peter Deriabin who had worked in the same parts of the Soviet KGB where Nosenko had claimed to have worked, but found the details of Nosenko's stories unconvincing
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.