A young man and woman have been sentenced for their roles in the killing of University of Minnesota-Duluth student William Grahek in February 2017.
Grahek, was shot dead at his residence in East Hillside, Duluth in an apparent aggravated robbery attempt.
Noah Duane Baker, 20, was one of three men who broke into Grahek's home as they tried to steal a safe containing drugs and cash, the St. Louis County Attorney says.
During the robbery, Deandre Demetrius Davenport allegedly fired two shots that killed Grahek, who was the son of St. Paul police officer Sgt. John Grahek.
Last month, Baker pleaded guilty to murder charges for his role in Grahek's death and on Thursday he was sentenced to 30 years in prison.
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An accomplice, his sister and Davenport's girlfriend, Tara Rai Baker, also pleaded guilty to aiding an offender after the fact.
She was handed a 57 month sentence on Thursday but it will be stayed for six years of probation. The St. Louis County Attorney says she's been in custody for 15 months and will need to serve an extra 60 days in jail before being released.
The cases of Davenport and two others are still pending.
Grahek's mother, Heidi, told the court her son had just called his father 20 minutes before he was shot to tell him he'd been accepted into full-time military service, WDIO reports.