Mass shootings: Experts say violence is contagious, and 24/7 news cycle doesn't help
Kort samengevat
"We know that mass shootings are socially contagious and tend to occur in clusters," said Jillian Peterson, a criminology professor.
Verder lezen bij de bron
Bekijk het volledige nieuwsbericht rechtstreeks bij NBC News.
Lees het volledige bericht ↗