the three-year-old was killed by his mother rosdeep adekoya , who beat him for being sick and left him to die in agony for three days before hiding his body in a suitcase and dumping it in woods .
she then told police the boy had wandered off , sparking a huge manhunt before eventually leading officers to the body near kirkcaldy in fife , in january last year .
it has now been revealed at least nine workers were subject to disciplinary action and subsequently dismissed after looking at documents relating to the high-profile case without permission .