 Tracey Wilkinson left "Bad Girls" in between the filming of the 2005 Christmas Special (now established as an additional episode to Series 7) and the beginning of Series 8 and the fate of Di Barker (last seen on remand for Jim's murder) remains unresolved, though she has presumably been transferred from G-Wing.Tracey Wilkinson is from the North East England and her acting CV includes a number of productions set in and filmed in the region, including the films "Billy Elliot" and "Purely Belter" (both 2000) and the BBC drama "Our Friends in the North" (1996).She also appeared in the "Inspector George Gently" episode "Gently in the Night" as Margaret Bishop.