Is Chad Colivas, convicted of murdering the Air India bombing suspect, receiving an increased sentence of life + 15 years in Canada for a fatal shooting?

A Canadian court has handed down a life sentence and 15 extra years to Chad Colivas, who was found guilty of fatally shooting Tanner Fox, a suspected bomber.

• Option 1: Yes, he is being properly punished
• Option 2: No, the additional sentence is excessive
• Option 3: Tanner Fox is receiving harsher treatment than Colivas?