# Double Cross System
**Domain:** British Counterintelligence / World War II / Deception
**Doc Type:** Historical System Node
**Maturity:** Developed
## Definition
**The Double Cross system was Britain's wartime counterintelligence program for identifying, controlling, and running German agents back against their original service.** It transformed hostile collection channels into instruments of Allied deception.
## War With Empire Context
[[articles/war with empire/The Real Deep State Is British|The Real Deep State Is British]] treats Double Cross as the clearest historical demonstration of [[wiki/Counterintelligence Capture|Counterintelligence Capture]]: Britain captured the opponent's sensory network and used it to shape what the opponent believed it observed.
## Key Insight
**A turned network does more than deny intelligence; it grants controlled write access to the adversary's threat model.**
## See Also
[[wiki/Threat-Model Capture|Threat-Model Capture]], [[wiki/Tradecraft|Tradecraft]], [[wiki/Human Intelligence|Human Intelligence]], [[wiki/Attribution Laundering|Attribution Laundering]]