It's always been a special thing to be a German. Our ancestors ruined the Roman empire, we demolished the holy land in the time of the crusades and depredated Constantinople, we fought against and than later we destroyed Europe and million lives during two world wars.
Now it's about so-called killer games. In order to protect our youth, german politicians try to ban censored software completely. A lot of articles have been written about the pros and cons of this measure and I don't want to sum it up here.
Dear politicians: aggression needs more than a "killer game". There's a big transition from playing a game to killing people. Blaming games for the recent school attacks is just another example for the superficial treatment of a complex topic and nothing but a populist measure.
An interesting amendment of the proposed law to ban aggressive games would be a complete prohibition of rental of indexed / censored movies, including porn and action flicks. Goodbye, video stores (at least those for adults only)!
O-kay: what's next? When will they control people's mail for unwanted material?

Edit: Here's a very good (german) blog discussing this topic.