The review was instigated as part of the consideration of a number of inter-related issues both by the Government and the Commission on Justice in Wales.
Cafodd yr adolygiad ei ysgogi wrth i’r Llywodraeth a’r Comisiwn ar Gyfiawnder yng Nghymru fwrw ati i ystyried amryw o faterion sy’n gysylltiedig â’i gilydd.