"That's because it is virtually impossible to purchase a firearm legally in the area where the majority of the crimes were committed. Just because the guns were purchased legally, it does not mean that the person that committed the crime obtained the gun legally."

"..any regulation is an infringement on the right to keep and bear arms, and is thus prohibited by the Bill of Rights."

"But the UK rates among the highest in violent crime per capita."

"And serious question: If you're not a gamer, why are you on this site.."

"The only reason you're talking about violent media is because you're afraid it might give people an excuse to regulate video games."

"We could study ten different kids for ten years and only one of them might develop sociopathic or violent tendencies from those sorts of inputs. But the fact of the matter is that these things do still effect us as our brains develop."

"A significant portion of the murders in the US are gang on gang."

"..it's not as simple as playing Call of Duty flips a switch in your brain that makes you want to shoot people. It's a long, long process that takes years to take hold, and it's not always the most overt thing either."

"But it's still comparatively very high for Robbery, Burglery and Rape, regardless of any question about "affrays"."

"America, more than any other first-world nation, loves war and loves the idea of 'going out and killing some bad guys'".

Thanks for the link.

The thing is, countries record violent crimes in different ways. In the UK, all physical altercations are reported as a violent crime. But in other countries, it will only get reported if there is an injury.

"Most other countries aren't as completely in love with war and killing compared to us."

"The UK violent crime rate is (or has been) actually worse than that in the US."

"They also have no way to take back their government, should there ever be a coup."

The US isn't the only country that has violent video games. According to wiki, the largest video game markets are North America, Japan & UK.

"Graph firearm ownership rate vs violent crime or homicide rates and see if there is a pattern."

Japan and Australia have very low gun ownership rates.

..Or maybe the teacher could've been killed and Lanza takes the gun to kill even more people.

It doesn't matter if Washington D.C has the strictest gun control policy since one can easily get a firearm from neighboring Virginia.