"The Ways of the Gun"

"Massachusetts has some of the country’s toughest gun laws. So why is Boston flooded with firearms? The answer lies with the city’s thriving black market for illegal weapons, where the law that matters most is the ruthless logic of supply and demand."

Read the article from Boston Magazine's May 2006 issue.
They also have some exclusive stats showing where 2004 & 2005 guns were traced to.