Crime by Stephen Drill in London 19th Jan 2021 5:34 AM Premium Content  A teenage terrorist who ordered a Melbourne man to behead a police officer during an Anzac Day parade will be freed five years into a life sentence. Terror experts have warned there was an "element of risk" in releasing the British prisoner who, for legal reasons, can only be referred to as RXG. "It's difficult, it's not an exact science ⦠clearly he can't be monitored 24 hours a day so they must consider that the restrictions in place are enough," Dr Steve Hewitt, a terrorism expert from the University of Birmingham, said.