The Armed Citizen Project, a nonprofit group that arms residents living in high-crime cities, reportedly hopes to put shotguns in the hands of residents living in Chicago.

 Senate rejected a compromise proposal to expand background checks on gun purchases.

Alaska, Louisiana and Montana had the most gun deaths of any U.S. states in 2010, and they fall among the states with the weakest gun laws, according to the Center for American Progress.

A Georgia town passed a law requiring the head of each household to own a gun as a way to keep crime down.

Seattle is poised to become the first in the nation to provide direct funding for research into the causes and effects of gun violence.

Limits on magazine sizes and mandatory background checks are the key pillars of today's legislation, signed by Governor John Hickenlooper.

The contentious proposal to reinstate the assault weapons ban has been postponed, but measures to extend background checks to private gun sales and fund school security improvements have been voted through to the Senate. 

Nearly half of gun owners now say they keep firearms in their possession for security purposes, according to findings by the Pew Research Center.

States with more gun-control legislation, such as Massachusetts, New Jersey and Connecticut, have lower rates of gun-related deaths than states with fewer gun-control laws. 

The Maryland Senate approved a comprehensive gun control bill that includes a ban on assault weapons and fingerprinting for prospective handgun buyers.