Church leaders have apologised after finding safeguarding allegations against a former Cathedral choir master to be “credible”. The Diocese of Canterbury says it is “saddened and ashamed” after investigating historic claims made by four individuals against Revd David Marriot, who died in 1995. The alleged offences were carried out during his time as headmaster at the Canterbury Cathedral Choir School in the 1960s, and later while parish priest in the Benefice of Wye and Brook, at St Gregory and St Martin Church, in Wye. Following an investigation, the diocese considers the allegations to be “c…