The Brief Search teams are scanning about a two-square-mile area of Carters Lake for missing 37-year-old Florida resident Sean Cunningham. Authorities recovered Cunningham's backpack along the lake, but his green canoe remains missing and is believed to have sunk. Emergency crews are searching the air and water around Carters Lake in North Georgia to find a 37-year-old Florida man who disappeared during severe storms late Tuesday night. Search at Carters LakeWhat we know:Multiple law enforcement agencies are searching about two square miles of Carters Lake in Murray and Gilmer counties for Sean Cunningham. They have recovered Cunningham's backpack, but his canoe remains missing and is believed to have sunk.