...To begin with, the dramatic disparities the rates of nonfatal gunshot injury: overall it’s 46.5 per 100,000 for the city as a whole from 2006-2012. It’s 1.62 per 100,000 for whites; 28.72 for Hispanics, and 112.83 for blacks.
For all males, it’s 44.68 per 100,000; 239.77 for black males, and for black males from 18-34 it’s 599.65. As Papachristos and co-authors Christopher Wildeman and Elizabeth Roberto point out, that’s a staggering one in 200.
Within the timeframe—from 2006 to 2010—70 percent of all shootings in Chicago, or about 7,500 out of over 10,000, are contained within all the co-offending networks. And 89 percent of those shootings are within the largest component.
Or, to put another way: the rate of gunshot victimization (nonfatal + fatal) in Chicago is 62.1 per 100k. Within a co-offending network, it’s 740.5—more than 10 times higher.
“This finding has (at least) two implications for our understanding of non-fatal gunshot injuries,” the authors write. “First, the concentration of non-fatal gunshot injuries in networks such as these demonstrate that such incidents are more concentrated than previously thought, and even more concentrated than gun homicide by either demographic group or place. Our findings indicate that 70 percent of all non-fatal shootings occur in networks comprising less than 6 percent of Chicago’s total population. This distribution of shootings within co-offending networks fundamentally changes how we assess the distribution of risk in Chicago.” (Emphasis theirs.)
Chicago Gun Violence: Big Numbers, But a Surprisingly Small Network
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