BUFORD— Authorities are back on Lake Lanier this morning to continue searching for 13-year-old Griffin Prince of Buford who went missing after a late Monday two-boat collision that killed his 9-year-old brother. Paul J. Bennett, 44, of Cumming was charged in the 10:30 p.m. accident and is free on $5,000 bail. An Aug. 15 first-appearance hearing is set in Hall Magistrate Court.