Data shows that certain gun control measures may bring down mass shootings

We are all horrified that we may be entering into a new period of mass shootings. Following a lull of about a year, probably related to the COVID lockdown, we’ve seen two in a week. Eighteen people have been killed by the shooters in Georgia and Colorado.

President Biden has called for new gun control measures. Would they work? Last night on CNN, U.S. Sen. Chris Murphy, D-Conn., said the ban on assault weapons that was in effect from 1994 to 2004 did indeed bring down the number of mass shootings. Cause and effect is tricky, of course. But did the law actually coincide with a period of fewer such crimes?

According to an analysis by Glenn Kessler of The Washington Post, the answer is yes. The assault-weapon ban, combined with a ban on large-capacity magazines (LCMs), did indeed help. In addition, my Northeastern colleague James Alan Fox has shown that state bans on LCMs and mandatory background checks are  associated with fewer mass shootings.

So what are we going to do about it?