Mass shootings in other countries have prompted tighter restrictions on guns laws. For more information watch on Thursday, Feb. 21.
Check out our gun regulation and firearm death map and see if regulation prevents gun deaths.
Click through our interactive timeline to explore the evolution of the Second Amendment throughout history.
View how gun regulations differ in industrialized nations worldwide.
See the number of firearms and comparable firearm homicides in various countries here.
With the debate over gun control heating up, learn more about this controversial issue here.