Execution of pre-existing retribution (Qisas) upon an insane person who committed a capital crime

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If retribution (Qisas) was obligatory upon an individual before they became insane, the retribution is still carried out (i.e., the execution proceeds). This is because Qisas is not nullified due to a cause originating from the obligated party, whereas apostasy invalidates the penalty due to the possibility of returning to the faith. Furthermore, Qisas is only waived due to a cause related to the right holder (the victim or heir), analogous to the situation where the recipient of Qisas becomes insane; in that case, execution is suspended during the period of insanity.