"When swine flu hit the population it spiked in certain areas and tapered off in neighboring regions, it hits hardest where people have least protection and this pattern is more pronounced (here)"
Apparently incidences of murder spreads in a similar pattern to infectious diseases such as swine flu according to a 26-year study of the city of Newark, New Jersey (summary).
It would be interesting to hear your opinions, but some interesting questions I would like to ask are:
To what extent could murder and the epidemiology infectious disease patterns resemble each other?
what factors could you suggest may lead to their apparent similarities?
Given that murder could be modeled as an infectious disease could we apply epidemiological interventions to murder?