Mayor Ryan Joins Mayors Against Illegal Guns — Mayor Matt Ryan has joined Mayors Against Illegal Guns in releasing Trace the Guns: The Link Between Gun Laws and Interstate Gun Trafficking, a report analyzing 2009 crime gun trace data from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). The report, which examines previously unreleased data that the ATF provided to Mayors Against Illegal Guns, shows that states with weak gun laws are still disproportionately the top sources of guns that law enforcement recovers in out-of-state crimes. The report also finds that that states with weak gun laws supply a greater proportion of guns recovered in crimes shortly after their initial purchase—a measure that the ATF considers a key indicator of illegal trafficking.