High-tech tools: Graphics, models help attorneys make their case  

The first-person shooter animation recreated a showdown at a Sioux Falls, S.D., parking lot. But this was no video game. It was what Hells Angels' Chad Wilson saw when he confronted at least a half-dozen members of a rival motorcycle gang in 2006 and shot five of them with a .40-caliber handgun. Nobody died, but Wilson ...