TOMAHAWK, Wis. (AP) – The Lincoln County sheriff’s department is investigating the death of a 51-year-old man from the Milwaukee area.  According to the sheriff’s department, a witness called 911 at about 9 a.m. Sunday to report finding a man’s body on Smith Lake in the town of Bradley. Rescuers found the man floating near an unoccupied boat.  Deputies say a witness saw the man leave early Sunday morning to fish on the lake alone. No life jacket was found at the scene.  The man is from Milwaukee County.