An application for a Writ of Habeas Corpus is filed when a person seeks relief from unlawful detention or imprisonment. Include all of your grounds for relief and all of the facts that support each ground for relief in this petition.I am the Petitioner in this Petition for Writ of Habeas Corpus. And filed a Petition for Writ of Habeas Corpus in the Court of. Appeal, First Appellate District. In 2001, the Petitioner was convicted in state court (Florida) of first-degree murder, burglary, and aggravated battery and sentenced to life imprisonment. In. On May 2, 2005, we ordered petitioner to file a memorandum addressing whether habeas corpus is appropriate in this case. (The district clerk of the county of conviction will fill in this blank.) IN THE COURT OF CRIMINAL APPEALS OF TEXAS. Must the Petitioner Be Physically Detained to File a Habeas Corpus Petition? The appellate department affirmed his conviction and Masching filed a petition for a writ of habeas corpus with this court.