ROBESON COUNTY, N.C. (WBTW) -- Robeson County Sheriff Burnis Wilkins said Thursday night that investigators, including the FBI, spent "countless hours" poring over evidence and looking for clues after 18-year-old Sara Graham disappeared in 2015. Then, on June 1, a county judge declared Graham dead, a legal step that Wilkins said was initiated by her [...] ...read more read less