He will challenge the constitutional validity of laws which require an inmate returned to prison after an escape to serve an additional period of imprisonment equal to one-third of the time they were at large, on top of the time they had yet to serve. He will challenge the constitutional validity of laws which require an inmate returned to prison after an escape to serve an additional period of imprisonment equal to one-third of the time they were at large, on top of the time they had yet to serve. National / WA Sydney Morning Herald – Latest News