Gargan, Ex parte - Re Lindgren & Ors

This matter concerned an application by Mr Gargan for a writ of habeas corpus, seeking the release of Mr Lindgren and others from custody. The application was heard by Heydon J in chambers.

The central legal issue before the Court was whether the applicants were lawfully detained. This required the Court to consider the validity of the warrants under which they were held.

Heydon J found that the warrants were invalid because they had not been signed by the issuing magistrate. His Honour applied the principle that a warrant must be duly executed and that a failure to comply with statutory requirements for its issuance renders it void. Consequently, the detention of the applicants was unlawful.

The Court ordered the discharge of Mr Lindgren and the other applicants from custody.