An applicant for leave to appeal a sentence is bound by the evidence and case advanced at the sentencing hearing and may not re-litigate by calling evidence that could have been called but was not. Evidence of events arising entirely since sentencing cannot be taken into account on a sentence appeal, as it cannot have been an error for the sentencing judge not to have taken into account facts that did not exist at the time of sentencing. Such matters are for the executive government.
The full text is available to signed-in members, including the 5 later cases that cite this judgment.
2 of the 5 citing cases carry a classified treatment. How each court treated it is available to signed-in members.