Dayne Sitladeen was found guilty of manslaughter in the shooting death of Blain Grindley.
The court considered aggravating factors including his extensive criminal record involving violence and firearms, his leadership role in the offence, and his flight to the United States where he continued criminal involvement.
Mitigating factors included some rehabilitative efforts in detention.
The court imposed a sentence of 13 years imprisonment, to be served consecutively to his unexpired U.S. sentence, along with a lifetime firearms prohibition and a DNA order.
The court emphasized denunciation and deterrence for firearm-related offences.
