New Books in Critical Theory Thomas Hegghammer and Diego Gambetta eds., "Fight, Flight, Mimic: Identity Mimicry in Conflict" (Oxford UP, 2024)
Mar 28, 2026
Thomas Hegghammer, Senior Research Fellow and scholar of militant Islamism, discusses identity mimicry in conflict. He explores deceptive mimicry, how time and longevity signal commitment online, and the limits of low-bandwidth interaction. The conversation also covers tradeoffs of observation, linking online and offline behavior, and how AI may change signaling and countermeasures.
AI Snips
Chapters
Books
Transcript
Episode notes
Longevity And Volume Become Trust Currency
- Forum reputation is built from profile age and posting volume, which serve as hard-to-fake signals of commitment.
- Jihadist forums treated longevity plus frequent contributions as evidence of loyalty despite verbal claims.
Self Incrimination As Proof Of Loyalty
- Posting many incriminating pro-ISIS messages signaled true commitment because the legal risk was a costly test of loyalty.
- Hegghammer compares this to mafia loyalty tests where self-incrimination proves authenticity.
Reputation Systems Are Universal Trust Tools
- Reputation systems in risky online markets function like eBay feedback to reduce transaction uncertainty.
- Jihadi forums organically developed branded media accounts and reputation cues to verify information sources.
