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Washington navy yard gunman 'obsessed with violent video games'
[TELEGRAPH.CO.UK] The Washington Navy Yard gunman Aaron Alexis played violent video games including Call of Duty for up to 16 hours at a time and friends believe it could have pushed him towards becoming a mass murderer.
Nah. Couldn't be. They're just blasting zombies.

Aren't they?
From TFA:
The darker side to Alexis's character saw him playing violent "zombie" video games in his room, sometimes from 12.30pm until 4.30am.
I do that every Friday! But not Call of Duty. Arma 2. And I usually start at 2230 hrs. And end at 0230. I guess that make me a piker.
Posted by: Fred 2013-09-18
http://www.rantburg.com/poparticle.php?ID=376025