On December 10, 1996, fire raged through a home in an upscale Atlanta neighborhood. When firefighters extinguished the blaze, they found the body of 41-year-old David Coffin. Coffin's friends and family were grief-stricken, but their pain only deepened when authorities revealed that he was likely killed before the fire started. Correspondent Maureen Maher reports on the peculiar events surrounding Coffin's murder.