According to a 2009 Congressional Research Service report, there are about 310,000,000 guns in the U.S., or about one gun for every American.
More guns, less crime? John Lott explains controversial theory
Despite this statistic, "More Guns, Less Crime" author John Lott argues that more guns would help to prevent tragedies like this Friday's shooting at Sandy Hook elementary school in Newtown, Connecticut.
Lott explains his theory to Soledad on Starting Point this morning, arguing that the areas where guns have been banned are the places where criminals go to commit violent crimes.