You have the choice.
Because 20.5% of French people lives in nasty areas maybe.Do I feel "terrorized"?
According to the Observatoire National de la Délinquance, in 2009 only 20.5% of French citizens feel unsafe somehow, while more than 74% of them didn't.
Because You can't buy a gun legally in France. That helps. And as I already said these "gangs" are a minority, in some areas, it's not all over France.And once again, the average crime rate in France is several times lower than in the US, at least for violent murders.