Of particular significance, he said, will be the study's data linking the laxity of gun laws in some states to the exporting of guns used in crimes in other states.
Since its inception, the group, which now includes 596 mayors nationwide, has expanded into other gun-related issues, including the exporting of guns from the United States to Mexican drug cartels.
Terms like, "the iron pipeline," and the export of illegal guns to other states, as well as background checks for all sales at gun shows are examined in the study.
Now the administration wants to relax rules on the export of firearms so that gun manufacturers can make more money, because apparently the weapons-making business is just not profitable enough.
Sen. Chris Murphy (D-Conn)., a gun control advocate who opposes the proposed rule change, said this week that the U.S. could be on the verge of "exporting" its epidemic of gun violence to other nations.
Nevertheless, the Canadians said the United States was concerned by the volume of guns that had been licensed for export to Canada, a concern the Canadians share.
The study finds that states that have enacted strong restrictions export crime guns at only about one-seventh the rate of those with lax laws.
All eight of the states on this list are major sources of guns recovered from crimes committed in other states, including West Virginia, which exports 46.8 crime guns for every 100,000 residents.
It also found that Mississippi, like all of the other states with the highest export rates, had relatively lax laws for bringing gun prosecutions, conducting background checks on buyers and preventing illegal purchases and transfers of guns.
