"Do the states where they have weaker laws have more crime?" asked CNN's Kiran Chetry.
"There's no argument about that," Bloomberg replied.
http://www.politifact.com/georgia/statements/2010/nov/09/michael-bloomberg/bloomberg-gun-claim-takes-aim-georgia/The report, "Trace the Guns: The Link Between Gun Laws and Interstate Gun Trafficking," was put together for a group called Mayors Against Illegal Guns and completed in September.
Take it as you will.