"Convenience store robberies account for approximately 6 percent of all robberies known to the police. Although this comprises a relatively small percentage of total robberies, the problem is persistent. Convenience store employees suffer from high rates of workplace homicide, second only to taxicab drivers. To assist law enforcement offers in addressing this problem, this guide begins by describing the problem of convenience store robbery and reviewing factors that increase its risk. It then identifies a series of questions to help analyze their local convenience store robbery problem. Finally, it reviews responses to the problem and what is known about these from evaluative research and police practice."
Problem-Oriented Guides for Police, Problem-Specific Guides Series No. 49
Office of Community Oriented Policing Services: http://www.cops.usdoj.gov/