Whether, with reference to her announcement that an investigation into the 2020 Matric exam paper leaks found that the National Senior Certificate examinations were not compromised, and given that the leaking of examination papers is not a new problem and has happened almost every single year for a long time now, she has found (a) how the papers were leaked and (b) who was responsible; if not, in each case, why not; if so, what are the relevant details in each case?