What is the current state of the law on transfers of dangerous inmates between medium security and high security prisons?

In Bachynski v. William Head Institution 1995 CarswellBC 2338, Bouck J. at para. 36 writes: Prison authorities must act on the best information available. Sometimes it is unreliable and an individual inmate is wrongly charged or wrongly transferred. But given the nature of the inmate population and the necessity of preserving order there is often no other alternative. If a dangerous person is allowed to remain in the general prison population of a medium security institution, it is the other prisoners and staff who suffer the consequences because they have no place else to go.