Age: 26
Sex: female
Date: 10 May 1999
Place: 67 The Croft, Runcorn, Cheshire
Katherine O'Brien was found bludgeoned to death at her home on The Croft at 6.30pm 10 May 1999.
She had been beaten about the head.
Her partner was tried for her murder in May 2000 but acquitted.
She had worked for Scope, the cerebral palsy charity as a part-time secretary since January 1998 and had two children.