 The NPCC replaced the Association of Chief Police Officers (ACPO) in April 2015.Thornton also took over from Sir Hugh Orde as Patron of the Police Roll of Honour Trust.In 2015, the Oxfordshire Safeguarding Children Board published a critical serious case review report into child sexual exploitation in Oxfordshire, following the jailing in 2013 of seven men for abusing six girls in Oxford between 2004 and 2012.