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Police, Danger, & Behavior

Using extensive participant observation and interviews with police officers in 3 U.S. cities, this ethnographic project describes how police officers' perceptions of danger influence their behavior and interactions with the public. 

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Gangs & Social Networks

This line of research uses social network analysis (SNA) and visualization to examine the underlying social structure of street gangs, as well as how SNA can enhance violence prevention efforts

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Guns & Violence Prevention

This research analyzes the effect of Project Longevity, a focused deterrence strategy in New Haven, CT, designed to reduce gun violence through cooperation between police, social service providers, and the local community. 

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