Brett Wiese, who is 20, died after being stabbed in the back outside a home on Jan. 12, 2013.
Police said violence erupted when several uninvited party goers who had been ejected from the house later returned.
The judge ruled that the teen, who was found guilty of second-degree murder in Wiese’s death, would be sentenced as an adult.
Jazlyn Radke, now 19, was sentenced to life in prison without any chance of parole for seven years.
Wiese’s mother read a statement outside court.
“Brett Wiese was viciously murdered by human hands,” said Brenda Wiese. “Nothing will bring him back, and we know no human-imposed consequence will truly equal the magnitude of this crime.”
“We believe the true consequence for the murderer, Jazlyn Radke ... will be beyond this earthly life,” she continued. “It is I, my husband and my daughter, our families and Brett’s friends that have really been given the life sentence.”
“There isn’t a criminal sentence on earth that equals the pain and despair that we live every single day.”
Wiese came to the University of Calgary from Ponoka, Alta., and was a third-year bachelor of commerce student when he was killed.
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