The applicant, Steven Forster, sought a writ of habeas corpus with certiorari in aid and relief under s. 24(1) of the Charter, challenging the validity of his 1988 dangerous offender designation and indeterminate sentence.
He argued jurisdictional errors by the trial court, including lack of notice, unlawful psychiatric remand, absence from court, and the trial judge's failure to exercise discretion.
The respondent, Attorney General of Canada, moved to strike the application, arguing it was a collateral attack on a decision previously appealed and that the court should decline habeas corpus jurisdiction where an appellate route was available.
The court found that the challenges raised by the applicant were available to him during his 1995 appeal to the Ontario Court of Appeal, which had upheld the indeterminate sentence and implicitly the dangerous offender finding.
Distinguishing the case from precedents like *R. v. Gamble* and *Gallichon v. Canada*, where applicants challenged ongoing deprivation of liberty due to changes in law, the court concluded that Forster's application was an attempt to circumvent appeal rights already exercised.
The respondent's motion to dismiss the application was granted.