In this Wednesday, Oct. 2, 2013 photo, Animation lead Zach Volker of video game company Infinity Ward studies motion-capture footage of the dog "Riley" at the company's offices in Los Angeles. "Call ... more 
In this Wednesday, Oct. 2, 2013 photo, Animation lead Zach Volker of video game company Infinity Ward studies motion-capture footage of the dog "Riley" at the company's offices in Los Angeles. "Call of Duty" fans drooled over Riley again last month when a new trailer released for "Ghosts" featured him lunging at a helicopter, taking a bite out of the human pilot and bringing the chopper whirling down to the ground. "Call of Duty: Ghosts" isn't due until November, but Riley has already become the breakout star of the military shoot-'em-up. (Photo by Chris Pizzello/Invision/AP) less 
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Associated Press
Fri, Oct 18, 2013 9:33 AM EDT