Brianna Ghey's killer Eddie Ratcliffe, 17, wants his 20-year prison sentence reduced because he has the 'maturity of a 14-year-old'

One of Brianna Ghey's killers has appealed to have his 20-year prison sentence reduced because he has the 'maturity of a 14-year-old boy'. Brianna was stabbed 28 times with a hunting knife during the fatal attack in Linear Park, Culcheth, near Warrington, in February last year, which the sentencing judge, Mrs Justice Yip, described as 'exceptionally brutal'. Brianna Grey was stabbed 28 times with a hunting knife in Cheshire on February 11 last year The murdered teenager Brianna Ghey was attacked in Linear Park, Culcheth, near Warrington, in February last year Jenkinson and Ratcliffe were named in March this year as Brianna's murderers Speaking at the court in London, Richard Littler KC, for Ratcliffe, said: 'It is culpability and maturity which are at the heart of this application.' They lured Brianna to Linear Park on February 11 last year where she was attacked with Ratcliffe's hunting knife, which had a 13cm blade. Court artist sketch of Scarlett Jenkinson and Eddie Ratcliffe, both 16, appearing at Manchester Crown Court in February A photograph of the murder weapon issued by Cheshire Police during the trial last December Ms Heer said: 'The overwhelming evidence is that Eddie is a highly intelligent young man.