Mass killings in USA

The article is "America's killing contagion" by the week.com. This article discusses the prevalence of shootings within America and why the amount is increasing. The audience is anyone who is interested in learning about mass killings. The author uses logos by mentioning statistics to show the increase in crime, mentions the profiles of the killers, and discusses the culture behind the rise of this violence. He uses pathos by mentioning specific example of these killers and shootings by showing some of their problems. He appeals to ethos by mentioning many experts and using their authority on the subject.