A man has been arrested on suspicion of causing the death by careless driving of a 23-year-old whose body was found by the side of a road.
Chase Tate was found dead by the A1104 at Miles Cross Hill, Ulceby, on 7 January.
Lincolnshire Police said a 56-year-old man from the Peterborough area has been arrested and bailed in connection with Mr Tate's death.
He was arrested on suspicion of failing to stop after a road traffic collision.
A 21-year-old man who was arrested in January on suspicion of murder remains on police bail.
A post mortem examination revealed Mr Tate had suffered injuries consistent with a road traffic collision.