On Thought for the Day, Rabbi Lord Jonathan Sacks said that by the age of 18, Americans would have witnessed about 20,000 killings through watching films and video games.
He then went on to say that by accepting this level of violence on our screens, we were all guilty of condoning violence in our society.
Leaving aside the question of the accuracy of these figures, is it true that we all bear guilt for the killings this week in America and the atrocities committed by extremists of all persuasions?
Is it time to reintroduce censorship?
To think that London, or anywhere else for that matter, does not belong to any one demographic