New research shows mass killings in the US are contagious


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REPORT TITLE: New research shows mass killings in the US are contagious
SOURCE: TWT
SUMMARY: A research report from Arizona State University shows gun violence in the United States is contagious. Researchers studied data for school shootings and mass killings.
LENGTH: 4:00 mins
LISTEN & READ*: http://www.abc.net.au/worldtoday/content/2015/s4266946.htm
WORKSHEETS: PDF :: Word