Shortland Street stars Johnny Barker (Joey Henderson) and Kiel McNaughton (James "Scotty" Scott) have been quietly working on a documentary which chronicles the creation and development of The Ferndale Strangler, the drama series' most notorious villain to date.

The documentary which currently has the working title 'Diary of a Serial Killer' is intended for a prime-time television audience and follows Johnny Barker as he deals with the challenges of playing a serial killer on screen whilst dealing with increasing public scrutiny in his everyday life.

www.diaryofaserialkiller.co.nz