So many gun accidents occur because guns almost never indicate whether a bullet is present in the chamber.

CNN: Obama needs a 'Plan B' on guns

The total number of defensive uses of guns might occur about 2.5 million times a year.

FORBES: Am I Safer If My Neighbor Has A Gun?

Crimes in Iceland - when they occur - usually do not involve firearms, though Icelanders own plenty of guns.

BBC: Why is violent crime so rare in Iceland?