Originally Posted by kane

To me it is a collection of things (in no specific order):

3. Information/video games/movies submerse kids in a world of violence and while I don't think these things cause them to carry out these terrible acts I think they they do aid in the efficiency of how the are carried out. With video games these days kids learn about tactics, cover, kills shots etc. With the internet they have access to information on how to build bombs, where and how to get things like bullet proof vests etc.