Explore the interactive map above to learn more about the children under 12 who have died from gunshots since the Newtown, Conn., slayings on Dec. 14, 2012, and the circumstances in which they died.
To learn more about longer-term data and trends involving homicides of children, click here to examine 25 years of FBI data.
Or you can read about what the data show about the relative dangers of school shootings by clicking on the link below:
Related coverage from NBC News Investigations:
- Daily drumbeat of child homicides gets little notice
- What 25 years of FBI data show about child homicides
- NBC reporters gain access to some schools with ease, exposing security gaps
- US schools keep trying wrong fixes to deter school shootings, experts say
- Read more about prevention of school shootings
- Too young to die: an msnbc.com special report
- Complete coverage of the anniversary of the Newtown shooting