The Tipping Point: How Little Things Can Make a Big Difference

The Power of Context says you don’t have to solve the big problems to solve crime. You can prevent crimes just by scrubbing off graffiti and arresting fare beaters: crime epidemics have Tipping Points every bit as simple and straightforward as syphilis in Baltimore or a fashion trend

We knew the kids would be working on one of the dirty trains, and what we would do is wait for them to finish their mural. Then we’d walk over with rollers and paint it over. The kids would be in tears, but we’d just be going up and down, up and down. It was a message to them. If you want to spend three nights of your time vandalizing a train, fine. But it’s never going to see the light of day.”

If a window is broken and left unrepaired, people walking by will conclude that no one cares and no one is in charge. Soon, more windows will be broken, and the sense of anarchy will spread from the building to the street on which it faces, sending a signal that anything goes. In a city, relatively minor problems like graffiti, public disorder, and aggressive panhandling, they write, are all the equivalent of broken windows, invitations to more serious crimes:

Muggers and robbers, whether opportunistic or professional, believe they reduce their chances of being caught or even identified if they operate on streets where potential victims are already intimidated by prevailing conditions. If the neighborhood cannot keep a bothersome panhandler from annoying passersby, the thief may reason, it is even less likely to call the police to identify a potential mugger or to interfere if the mugging actually takes place.