Four or 353? The number of mass shooting in America this year depends on who you ask
SF Gate - 12/08/2015
But criminologist James Alan Fox of Northeastern University in Boston, who studies mass killings, says the Mass Shooting Tracker totals are flawed.
“Four people with minor injuries, they count it, but three people killed, they don’t count it,” Fox said of the site’s criteria. “Everyone would agree three people killed is worse than four people with minor injuries … . It’s really blending together apples with watermelons.”