Little is known about how bouncer-patron interactions may influence a bouncer's use of physical aggression. To address this gap, we offer a micro-interactional analysis examining real-life aggressive bouncer behavior captured by venue surveillance cameras. Quantitative results show that bouncer physical aggression is associated with interactions where bouncers are directly involved as a conflict party, compared to situations where they solely intervene as a third-party. Further, a qualitative

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... alysis of emotional cues identifies anger as a plausible mechanism underpinning bouncer aggression. We consider the implications of these findings for night-time economy violence prevention strategies and discuss the relevance of video data for barroom research.