A judge has sentenced Haiden Suarez Noa to life in prison with no chance of parole for 15 years.
Suarez Noa was found guilty of second-degree murder last month in connection with the stabbing death of his girlfriend and mother of his child.
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Tania Cowell was stabbed 11 times while their infant son lay on the couch of their Stoney Creek apartment on March 9, 2013.
Suarez Noa admitted to stabbing Cowell, but argued he was provoked.
In 2015, Suarez Noa was convicted of manslaughter in the case, but the Crown appealed the decision, which led to the stiffer sentence.