Councilmember Tom Rasmussen and I have asked the City Auditor to review the City's response to graffiti and litter and recommend ways to improve that response. We have also asked that the Auditor review how other American cities handle graffiti and litter problems and recommend best practices we might follow here.
Here is the letter Councilmember Rasmussen and I sent to the City Auditor: Download Jones letter 2010 02 04.
Recent academic studies confirm and quantify the connection between visible environmental disorder and higher rates of crime. The study from the Netherlands focuses on the negative impacts of litter and graffiti, including documentation of the increase in crime that occurs when these environmental disorders are not cleaned up. Here is the study from the Netherlands: Download Social Disorder Science 11-20-08.
And here is another study from the Boston area on crime control by paying attention to disorder: Download Criminology August 2008 Street Disorder.