This is basically an entire field of active study. However, finding some free-to-read literature is not that easy, due to the rise of pay-to-read scientific paper archives. Basically, the issue at hand is that you're putting together a short-term community, and are going to face the same issues as community policing in combatting under-reporting of incidents. However, the literature on community policing practices (such as https://www.law.berkeley.edu/files/What_Works_in_Community_Policing.pdf) doesn't transfer very well to the different situation of community event management.
This is basically an entire field of active study. However, finding some free-to-read literature is not that easy, due to the rise of pay-to-read scientific paper archives. Basically, the issue at hand is that you're putting together a short-term community, and are going to face the same issues as community policing in combatting under-reporting of incidents. However, the literature on community policing practices (such as https://www.law.berkeley.edu/files/What_Works_in_Community_Policing.pdf) doesn't transfer very well to the different situation of community event management.