Douglas Hales, 36, was found guilty of second-degree murder and offering indignity to human remains in the death of Daleen Bosse in 2004. He had been charged with first-degree murder but the judge ruled the killing was not planned or deliberate.
It was an emotional day for Bosse's relatives, who had spent four years searching for her before getting the call in 2008 that her body had been found burned in an abandoned dumpsite.
In their victim impact statements, the family members described their horror at hearing Hales on recordings made by undercover officers, dismissing the 25-year-old university student and mother as an aboriginal woman who, in his view, no one cared about.
"I failed my sister. I failed as her protector," said Bosse's brother, choking back tears as he read his statement. He was interrupted by Justice Gerald Allbright, who told him that he hadn't failed anyone.
Bosse's mother, Pauline Muskego, had critical words for the media, saying she was disappointed a request for a publication ban wasn't honoured and saying the news coverage added to the family's pain.
Hales was the subject of a so-called Mr. Big sting in which RCMP officers posed as members of a criminal organization, inviting him to tell them about his previous crimes in order to be recruited into the gang.
A verdict in the case was delayed after a Supreme Court ruling changed the rules for evidence gathered by undercover police. However, Allbright said in this case, the Saskatchewan RCMP had met all the proper standards.
He also said Hales lied about details in his testimony, adding he didn't buy Hales's story that Bosse died of alcohol poisoning after they'd left the bar and driven out to a rural area to continue drinking.
Given a chance to speak before Allbright decided on a sentence, Hales apologized and wept, saying: "I don't expect anyone to forgive me. I don't deserve it."
Hales' lawyer, Bob Hrycan, said outside court he is preparing an appeal based on the Supreme Court's decision on how how RCMP sting evidence is to be handled by the courts.