Explore the interactive above to see what 25 years of FBI data tell us abut homicides involving children 12 and under, including which weapons are used most often, how the killers are most often related to the victims and the race, gender and age of both victim and offender.
You can also explore a related interactive map detailing incidents in which kids have been killed by gunshots since Newtown, along with brief profiles of the victims.
Or you can read about what the data show about the relative dangers of school shootings by clicking on the link below:
Amid the Newtown remembrances, little attention paid to near daily drumbeat of child gun deaths
Related coverage from NBC News Investigations:
Follow NBC News Investigations on Twitter and Facebook
First published December 12 2013, 1:01 AM