The appellants, a father, mother, and son, were convicted of four counts of first-degree murder after four family members were found drowned in a submerged vehicle.
On appeal, the son sought to introduce fresh evidence claiming he was a young person at the time of the offences, thereby challenging the adult court's jurisdiction.
The appellants also appealed on grounds relating to the admission of expert evidence on honour killings, instructions on post-offence conduct, the admission of ante-mortem hearsay statements, and the Crown's theory of liability.
The Court of Appeal dismissed the application to introduce fresh evidence, finding the proposed documents lacked threshold reliability.
The Court also dismissed all conviction appeals, finding no errors in the trial judge's evidentiary rulings or jury instructions.