give your business the gift of savings today. comcast business. powering possibilities. a disturbing story out of arizona, a policeman shot a man in a wheelchair nine times, killing him. this was caught on tape. they intended to shoot the man. the victim, 63-year-old william richards. they say he stole a toolbox and flashed a knife when he was confronted. the captions were added, we should note, by police, and a warning. the excerpt is disturbing.