A judge in Ohio has found a 17-year-old boy guilty of shooting his parents in 2007 after they argued about whether he should be allowed to play Halo 3. The Entertainment Software Association's blog GamePolitics.com has a transcript of the judge's statements about the case, and they are highly critical of videogames.
Source: http://xbox360.ign.com/articles/944/944889p1.html
Source: http://xbox360.ign.com/articles/944/944889p1.html