FIGURES AND TABLES

Figure 1.

Twenty-eight-day shooting frequencies from January 2001 to October 2005, Philadelphia, PA. Vertical bars indicate study periods in the current study, and the straight (gray) line indicates a linear trend line.

Figure 2.

Histogram of shooting victim ages (range 10–65). There were 16 victims under the age of 10 and 40 victims older than 65.

Figure 3.

Monte Carlo simulation results from 999 runs examining the expected frequency of shootings in the range 0–14 days, and less than 400 feet from a previous shooting.

Figure 4.

Location quotients for near-repeat initiator events.

Table 1 - Sex and race distribution of shooting victims, Philadelphia, August 2003 to September 2005, for time periods before and during the police operation.

Table 2 - Near-repeat analysis pseudo P-values for 13 months prior to the start of the priority-corner operation.