A-level problem was a crime, not a cock-up | Letters

Last minute changes had to be made to some papers by Pearson after questions were leaked.Your report (Exam board makes last minute change to two A-level papers after leak, 26 June) explains the measures we were forced to take this week to ensure that this year’s maths A-level was fair to all students.Contrary to some of the comments in the article, this was not an example of the exam board getting it wrong.