The appellant was convicted of first degree murder and sentenced to life imprisonment without parole eligibility for 25 years under Criminal Code provisions enacted after the offence was committed.
Had she been tried under the law in force at the time of the offence, her parole ineligibility would have been between 10 and 20 years.
After serving 10 years in an Ontario penitentiary, she applied for habeas corpus and Charter relief, arguing her continued detention under the 25-year ineligibility period violated s. 7 of the Charter.
The Supreme Court of Canada held that the Ontario courts had jurisdiction to issue habeas corpus, that the remedy was appropriate to review the legality of her parole ineligibility, and that applying s. 7 to her continuing deprivation of liberty did not constitute a retrospective application of the Charter.
The Court declared her eligible for parole.