Since reclusion perpetua is an indivisible penalty, it has no minimum, medium or maximum periods. It is imposed in its entirety regardless of any mitigating or aggravating circumstances that may have attended the commission of the crime. (Art. 63, Revised Penal Code) Reclusion perpetua is imprisonment for life but the person sentenced to suffer it shall be pardoned after undergoing the penalty for thirty (30) years, unless by reason of his conduct or some other serious cause, he shall be considered by the Chief Executive as unworthy of pardon (Art. 27, Revised Penal Code;
People vs. Ramirez, G.R. No. 138261, 17 April 2001, 356 SCRA 595).
