Every mass shooting in the U.S. raises calls for better policies to prevent such tragedies. There's evidence suggesting that certain kinds of laws may reduce deaths from mass shootings, say scientists who study the field — but those policy options are not the ones usually discussed in the wake of these events.
The body of research scientists have to draw from is limited, notes Michael Anestis, executive director of the New Jersey Gun Violence Research Center at Rutgers University. "Mass shooting research is a very small portion of gun violence research," he says.
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