At the end of series one, John is promoted to acting detective chief inspector. He is relieved of the position when Scott Vaughan (Oliver Milburn) is hired, which John is pleased about as he dislikes the paperwork.
Following the end of series one, John's position as acting detective chief inspector was terminated when Scott Vaughan (Oliver Milburn) took over, an outcome that pleased John since he had grown weary of handling paperwork.