SJSO says Frank Robertson, 73, was reported missing early Wednesday morning. Author: First Coast News Staff Published: 9:13 AM EDT May 12, 2021 Updated: 6:21 AM EDT May 14, 2021 ST. JOHNS COUNTY, Fla. — The St. Johns County Sheriff's Office says a missing 73-year-old man was found dead Thursday evening. After an extensive search by multiple SJSO resources, Frank “Lewis” Robertson's body was found by the agency's dive team in the Del Webb community in Nocatee. Robertson was reported missing early Wednesday morning and was legally blind. He was last seen at his residence between 2:30 and 3:30 a.m. SJSO says Robertson left with the family vehicle. Investigators say it's unclear what lead to his car going into the pond but don't suspect any foul play.