# Legend (Intelligence)
**Entity class:** Intelligence-tradecraft concept
**Aliases:** legend; cover legend
## Definition
An intelligence **legend** is the developed identity, biography, occupation, relationships, reasons for presence, and supporting detail used to sustain cover. It is more than an alias: the legend must explain conduct and remain consistent across human questioning, documents, institutional records, and digital traces.
## Relationships
- **supported by:** [[wiki/Backstopping|Backstopping]] and, in some operations, [[wiki/Proprietary (Intelligence)|Proprietary]].
- **theoretical analogues:** [[wiki/Given Circumstances|Given Circumstances]] and [[wiki/Character Bible|Character Bible]].
- **high-capacity form:** [[wiki/Narrative Bandwidth|Narrative Bandwidth]].
- **source:** [[research/The Producer Function in Intelligence Tradecraft and Dramaturgy|The Producer Function in Intelligence Tradecraft and Dramaturgy]].
## Sources / Provenance
- [CIA Reading Room — cover and clandestine operations](https://www.cia.gov/readingroom/docs/CIA-RDP78T03194A000100050001-9.pdf)