Video Game Design: Dangerous?

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Violent video games have been linked to aggressive behavior and crime.  Game design can have lasting effects on individuals.  Players can get so caught up in the virtual reality of a video game, they begin to relate it to their actual lives.  The design of the weapons, characters, actions, settings etc. are often so realistic that gamers can  project themselves in the game.  In year 2005, a story surfaced about the murder of three men, two of which were police officers, in Fayette, Alabama.  The design of a video game called Grand Theft Auto was to blame.  Apparently the shooter, Devin Moore, acted straight out of a scene from the game.  A 60 minutes story explains that, "A suit filed by the families of two of his victims claims that Moore acted out a scenario found in Grand Theft Auto: The player is a street thug trying to take over the city. In one scenario, the player can enter a police precinct, steal a uniform, free a convict from jail, escape by shooting police, and flee in a squad car."  (http://www.cbsnews.com/stories/2005/06/17/60minutes/main702599.shtml) It was said that the video game trained Moore to act as he did.  
This is one example of design imposing danger.  The design of so many different things are crucial for safety.  If the video game had been designed less violent, perhaps the murders wouldn't have happened.