The commission was set up in 2013 after Cardinal Keith O’Brien resigned having admitted sexual abuse and misconduct following allegations from three priests and a former priest.
Alongside the review, the church published details of “safeguarding audits” from 2006 to 2012, revealing a total of 46 allegations, or which 55 per cent related to sexual abuse and 19 per cent to physical abuse.
In his findings McLellan himself a former high ranking member of the church ins Scotland, demanded an apology from the clergy and called for the a review of cases that were subject to a "safeguarding audit". Only 39% of those cases audited were subject to a prosecution.