Source-led reading note · Counterintelligence
To Catch a Spy
Counterintelligence is a distinct problem: assessing vulnerabilities and hostile activity, not simply gathering more information.
James M. Olson
Subject and context
An accessible study of counterintelligence cases, vulnerabilities and the patient work of detecting hostile services.
Formats & listening
Edition details and access conditions can differ by provider and territory. Printed or digital text is useful for checking citations, names and visual evidence even when listening.
Sources & edition details
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The Spy and the Traitor
A source-centred Cold War narrative for studying the relationship between personal motivation, trust and operational risk.
Reading note Ben MacintyreAgent Zigzag
Eddie Chapman’s double-agent story is a useful case for examining loyalty, deception and the source–service relationship.
Reading note Christopher AndrewThe Defence of the Realm
An authorised history that places individual MI5 cases in their institutional context. Official archival access supports the account but does not make the record complete.
Reading note