The great-aunt of a teenager who jumped in the East River kept a sad watch Sunday over the lower Manhattan waterfront as police divers conducted their third day of searching for the missing boy. Alena Godfrey, 60, believes her 13-year-old grandnephew, Kavion Brown, was goaded into jumping Friday by his friends as a dare. “They need to go into social media, into these schools, and find out what ...