Why does homicide by teens create a problem for the criminal and juvenile justice systems?

Read uploaded file, watch video, and answer questions below: https://www.youtube.com/watch?v=9EcvHi0FXGw What are the explanations discussed for homicide among young people? Why does homicide by teens create a problem for the criminal and juvenile justice systems? https://www.youtube.com/watch?v=msfu8YCCc8Q What are the arguments made in this video concerning the impact of mass media on our popular culture? Do you agree that desensitization to violence has an impact on our willingness to behave violently?