A special weeklong examination of gun violence, gun ownership and gun legislation. NBC News journalists will report across "NBC Nightly News," "TODAY," MSNBC, CNBC, NBCNews.com, and more. The conversation will also extend across NBC News and MSNBC's social media platforms using the hashtag #GunsInUSA.

In 1982, Kennesaw, Georgia passed a law requiring each head of household to keep and maintain a firearm.

The law has never been enforced but opponents of increased gun control see the town's low crime rate as a positive result of the law. MSNBC's Craig Melvin reports.