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Voice 1. Graffiti is an illegal form of writing or drawing. People usually create graffiti with spray paint. They press the top of a can and the paint shoots out. People often paint graffiti on walls or parts of public buildings. Another common place for graffiti is on trains or buses.
In New York's Quality of Life Campaign, adopted in the mid-1990s, city filth, including graffiti, street litter and signs of vandalism, were removed. And petty crime rates did drop. Even still, solid research backing the theory had been lacking. Studies conducted to date have not proven if the graffiti-type behaviors caused more rule-breaking or whether another variable caused both behaviors, the study researchers say.