"The map uses public information about reported crimes and displays information, which is updated daily from the Police Department’s computers. . . . When clicked on, each of the icons offers specifics about the (police) report, including case number, date and time of the report, the approximate address and description of the crime."
The cities of Manchester and Rochester have also partnered with the company behind the maps, Crimemapping.com. Keene has a similar map.
In January, the Center published the first comprehensive report of New Hampshire crime statistics in 20 years. The report (available here) provided city-level data as well as statewide trends in crime rates, with the goal of providing policymakers and law enforcement authorities with sound data upon which to base corrections and crime policy.
The new set of municipal maps are a further step in compiling and disseminating crime data on a local level.