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UC Berkeley preliminary study finds property-crime declines near San Francisco surveillance cameras
Summary
A UC Berkeley/CITRIS preliminary analysis presented to the Police Commission found a measurable drop in property crimes within about 100 feet of city pilot cameras, but researchers and commissioners urged caution: the effect is preliminary, concentrated on property offenses (especially thefts from vehicles), and the report showed little consistent effect on violent crime.
Steven Raphael, a researcher from the University of California, Berkeley's CITRIS lab, told the San Francisco Police Commission that the team's preliminary statistical analysis finds a statistically measurable decline in property crimes within roughly 100 feet of 19 pilot camera sites. "We're finding a relative decline of 22% in the area near the cameras," Raphael said during a presentation to the commission.
Raphael described the study design and data: the researchers used incident data provided by SFPD covering roughly 59,000 incidents from Jan. 1, 2005, through Jan. 28, 2008, across 19 camera sites. The…
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