SALLY Ann John vanished on September 8 1995 but cops remain baffled as to what happened to her 30 years later. The ...

Netflix is now streaming crime drama, A Confession, which is based on the shocking true story of serial killer, Christopher Halliwell.

But Steve was trying to find Sian alive." Christopher Halliwell pleaded guilty to Sian O'Callaghan's murder in October 2012 and was given a life sentence.

A Confession: Who is killer Christopher Halliwell and is he still alive? A Confession was ITV’s six-part prime time dramatisation of Halliwell’s murder of Becky and Sian O’Callaghan, 22.