G.R. No. 107207 - Romero vs. Court of Appeals

On February 26, 1991, petitioner Gil Miguel was charged with the crime of Murder before the Regional Trial Court (RTC) of Quezon City (Criminal Case No. Q-91-18506).
After trial, Miguel was found guilty as charged and sentenced to suffer the penalty of reclusion perpetua.
Miguel was delivered to the National Bilibid Prison in Muntinlupa on January 15, 1994, pursuant to his conviction.
This Court affirmed Miguel’s conviction in a decision dated March 7, 1996.

On August 19, 2015, Miguel filed a Petition for the Issuance of a Writ of Habeas Corpus, alleging his detention was illegal based on the benefits accorded under Republic Act No. 10592 (Good Conduct Time Allowance Law or GCTA Law).
The Director General of the Bureau of Corrections (formerly Director of the Bureau of Prisons) filed a Comment opposing the petition on January 28, 2016.
Miguel filed a Reply on May 11, 2018.
On September 30, 2020, the Court required the parties to file Memoranda. The respondent complied by filing a Memorandum on February 9, 2021. Miguel failed to file his Memorandum.

Whether the Writ of Habeas Corpus may be issued ordering the release of petitioner Gil Miguel, alleging he has already served the maximum period of his sentence under the GCTA Law and Article 70 of the Revised Penal Code (RPC).