For years, the widespread and systematic exploitation of young girls went largely unchecked. Those whose job it was to protect them say they didn't realise the scale of the problem - and it took years for different pieces of the horrendous jigsaw to to fit together.
But what lessons have been learned and what's going on now to protect children in Oxfordshire and elswhere to ensure this never happens again? Our Social Affairs Correspondent Christine Alsford reports.
Interviewees: Penny Browne, Oxfordshire County Council; Joanna Simons, Chief Exec., Oxfordshire County Council; and Jon Brown, NSPCC