55.—In any investigation relating to the commission or possible commission of an offence by children, members of the Garda Síochána shall act with due respect for the personal rights of the children and their dignity as human persons, for their vulnerability owing to their age and level of maturity and for the special needs of any of them who may be under a physical or mental disability, while complying with the obligation to prevent escapes from custody and continuing to act with diligence and determination in the investigation of crime and the protection and vindication of the personal rights of other persons.