Map: School shootings

Published On: May 11 2011 01:07:28 PM PDT   Updated On: Mar 12 2013 11:14:57 AM PDT

More than 20 people, most of whom are children were shot and killed at a Newtown, CT, elementary school today. School shootings have happened in many places throughout the United States. Here is a map showing details on some of these shootings.