The ingredients for pipe bombs are wide-ranging, and would be nearly impossible to track through their sale. Video Games Video games, just like books or television, can't make someone do something they don't want to. While playing endless hours of Doom may have made them more immune to violence, and help hone their shooting skills, it cannot be said to be the cause of their irrational behavior. If video games were the cause of these killings, they would be happening every day, not once a year. It's silly to assume that a teen is so easily influenced, that their ideas of morality and absolute right and wrong can be manipulated just by watching a TV show.
Most teens are more intelligent than that.
Otherwise, again, kids would be killing kids daily. That just isn't happening. If anything, the Internet could be seen as an appropriate emotional release mechanism for pent-up feelings of violence and anger. While certainly there is a wide range of hate online, it only reflects the diversity of the world we live in. In a society where free speech is cherished, we must understand that such hate will always be around.