Most Helpful Girl
No. Crime rates among young people has significantly declined since the 1990s, when video games first started becoming popular. If anything, violent video games prevented violence because they gave violent people a means by which to take out their anger without actually hurting anyone.
Obviously, there are a few exceptions, like the guys who shot up Columbine High School and said video games made them do it (Personally I don't believe them and I think they blamed it on video games so they'd have an excuse to get off). However, emotionally unstable people like that would have done that regardless of whether they played video games or not.
Although movies and music aren't much of a focus as video games, the same applies for them as well.