Media Pressure.

Taking different clips from different articles one common aspect often thought is that the television has become a regular babysitter for young children.

On the website www.troubledteensinfo.com they speak about Media pressure on teenagers and state:

Television has actually become a common babysitter in the house of many parents. Despite your intentions to be able to sift through whatever influences may reach your children, you may not always be there to censor what your teen may be taking in from media such as television commercial or shows. 

Action and violence can be viewed in a number of prime time shows. Teens may get so used to seeing this hostility on camera that it may come to a point where it is not even shocking.

This statement claims that throughout watching violence on a regular bases teenagers become immune to the shock impact of what exactly violence is. This could mean that teenagers are not scared of violence making it easier for teenagers to go out and commit a crime or be violent.