Several recommendations have been made at different times. Louise Arbour made recommendations for external oversight where there are serious concerns such as what occurred at the Prison for Women, extensive use of segregation, the things that have since been repeated and most notably recently been documented and made public through the death of Ashley Smith. She recommended that where there is correctional interference with the legitimate carrying out of a sentence, there be mechanisms for those cases to be reviewed for judicial review.
On March 15th, 2012. See this statement in context.