Five-year-old Nathan O'Brien and his grandparents Alvin and Kathy Liknes disappeared after a family sleepover in Calgary in June 2014. Their bodies were never recovered, but forensic and circumstantial evidence led a jury to convict Douglas Garland of three counts of first-degree murder in 2017.

Nathan O'Brien, five, spent the night of June 29, 2014, at the Calgary home of his grandparents Alvin and Kathy Liknes. When Nathan's mother returned the next morning, all three were gone. Police treated the disappearance as suspicious and launched a major investigation.
The case became a no-body triple-murder prosecution. Investigators never recovered the victims' bodies, but evidence gathered from the Liknes home, surveillance material and Douglas Garland's rural property north of Calgary became central to the Crown's case.
At trial, prosecutors argued that Garland had developed a grievance involving Alvin Liknes and had planned the killings. Evidence tied the victims to Garland's property. Global News reported that DNA from Nathan, Alvin and Kathy was found there, including on items seized during the investigation.
Garland maintained his innocence. His defence challenged the sufficiency of the Crown's theory and later attacked aspects of the searches and the admission of evidence. The jury nevertheless accepted the prosecution's case beyond a reasonable doubt.
In February 2017, a jury found Douglas Garland guilty of three counts of first-degree murder for the deaths of Nathan O'Brien, Alvin Liknes and Kathy Liknes. Because the convictions were for first-degree murder, each carried a mandatory life sentence under Canadian law.
The sentencing judge then applied the Criminal Code provision that at the time allowed parole-ineligibility periods for multiple murders to be served consecutively. Garland was ordered to serve 75 years before becoming eligible to apply for parole — three consecutive 25-year periods.
Garland appealed the convictions on several grounds, including challenges connected with police searches and trial evidence. In December 2019, the Alberta Court of Appeal unanimously dismissed his conviction appeal and refused to order a new trial. The first-degree murder convictions therefore remained intact.
He separately challenged the 75-year parole-ineligibility period. In February 2021, the Alberta Court of Appeal upheld that sentencing order in a divided decision. At that point, the 75-year period remained operative.
The sentencing landscape changed in May 2022 in a different multiple-murder case, R. v. Bissonnette. The Supreme Court of Canada unanimously held that section 745.51 of the Criminal Code — the provision permitting consecutive 25-year parole-ineligibility periods — violated the Charter prohibition on cruel and unusual punishment.
The Supreme Court declared the provision invalid retroactively to the date it was enacted in 2011. The Court expressly stated that offenders who had been ordered under that provision to serve 50 years or more without parole eligibility must be able to seek a remedy, even where ordinary appeals were already exhausted.
That ruling removes the constitutional foundation for stacked 75-year parole-ineligibility periods such as the one originally imposed on Garland. This case file does not invent a Garland-specific post-2022 resentencing order that was not located in the reviewed sources. The legally safe statement is that his three first-degree murder convictions and life sentences remain intact, while the statutory basis for the consecutive 75-year ineligibility period was later struck down retroactively. Eligibility to apply for parole is never the same as a right to release.
Nathan, Alvin and Kathy were legally established as murder victims through Garland's convictions, even though their bodies were never recovered. That absence remains a painful unresolved factual element for the family, but it does not make the criminal responsibility question unresolved.
This archive therefore classifies the case as solved and adjudicated. It also avoids treating the lack of recovered remains as an invitation for speculation about details the evidence did not establish publicly.
This case is classified as Solved / Adjudicated. Douglas Garland remains convicted of three first-degree murders and subject to life imprisonment. The significant later legal development concerns parole eligibility: the Supreme Court of Canada invalidated retroactively the statutory mechanism that had authorized stacking multiple 25-year ineligibility periods.
Last reviewed: August 31, 2026