Alabama professor studies mass shootings in 171 countries for more than 40 years
US has most public mass shooters
Kevin Dietz, Reporter
DETROIT – Adam Lankford studied mass shootings in 171 countries for more than 40 years.
From 1966-2012, he looked into mass shootings and found that the United States has the most public mass shooters and more than 240 million more guns than the second highest country, India.