It said in 2005 there was somewhat of a movement to band the sell of violent games to kids witch eventually spred nation wide, witch started in Illinois. Then it says that the rules are much more strict in the UK with the whole game having to be reviewed by BBFC to see what is approbate for the public.
This also claims that Violent Movies my be a factor as well but people only like to target video games. they continue to blame other things instead of the mental state of the person.
Adam Lanza may have played violent video games leading up to the tragedy, but experts say that alone may not explain his motivation its defiantly other things that encourage the kids to do bad things.
Most often, the countries with the most deaths from gun violence are not the ones that spend the most on video games. More gaming relates loosely to fewer gun violence.
This article says the rate of violence because of games will go down if parents actually look at the rating. By simply not buying the game for the child don't buy it for them if there not at the approbate age.