https://www.cbsnews.com/boston/news/new-hampshire-massachusetts-gun-laws-court/tl;dr,
New Hampshire has the fewest gun laws in the nation and as such one of the lowest murder rates
Massachusetts is a third world communist country that does not believe in the 2nd amendment
Some lawsuit recently has forced placed like nyc and mass to give out of state permits to carry
New Hampshire residents are suing Mass because the law is gay as shit whenever they carry over state lines into mass
its going to go to the mass SC which they will lose, but then it will go to the SCotUS which could lead to recoprocity nation wide
By having almost no gun laws, New Hampshire has a lower murder rate than nearly every canadian province and a lower murder rate than the majority of yurop