Witnesses said the main attacker was bald, while defense attorneys say Giovanni Ramirez had a full head of hair at the time. Police still strongly believe he was one of the men who assaulted Giants fan Bryan Stow in March.The attorney for the man suspected in the beating of Giants fan Bryan Stow went on the offensive Friday, saying he will file a court motion Monday seeking a hotel video recording that he claims could help exonerate his client.