This tool originally ran on June 14, 2013. It now calculates data between December 14, 2012 and that date, but since midnight of the current day.
There have been zero new federal gun policies passed.
Data from Slate, @GunDeaths, and the FBI. Datapoints are averaged over 182 days; background checks are from December 1, 2012 to May 31, 2013. Gun icons from Shutterstock. Photo: Flags on the National Mall, post-Newtown. (AP)