The revised paragraph number 2267 of the Catechism of the Catholic Church declares—citing the words of Pope Francis—that “‘the death penalty is inadmissible because it is an attack on the inviolability and dignity of the person,’ and she works with determination for its abolition worldwide” (Bordoni 2018). Thomas Aquinas, however, teaches that “if a man be dangerous and infectious to the community, on account of some sin, it is praiseworthy and advantageous that he be killed in order to safeguard the common good, since a little leaven corrupteth the whole lump (1 Cor 5:6)” (ST I, q. 64, a. 2, resp.). How can we reconcile these statements?
The apparent tension between the teaching of St. Thomas Aquinas on capital punishment and the revised paragraph 2267 of the Catechism of the Catholic Church can be reconciled by understanding the development of doctrine, the differing historical contexts, and the Church's evolving understanding of the implications of human dignity and the common good.
<h4>St. Thomas Aquinas's Position</h4> St. Thomas Aquinas, writing in the 13th century, addressed the legitimacy of the death penalty primarily from the perspective of the common good and the protection of society , . In the Summa Theologiae (ST II-II, q. 64, a. 2), he argues: "Therefore if a man be dangerous and infectious to the community, on account of some sin, it is praiseworthy and advantageous that he be killed in order to safeguard the common good, since 'a little leaven corrupteth the whole lump' (1 Cor 5:6)." Aquinas viewed the state as having the authority to remove individuals who posed a grave threat to the societal order, much like a surgeon might remove a diseased limb to save the whole body. His reasoning was rooted in a context where alternative means of incapacitating dangerous criminals and ensuring public safety were often limited. Punishment, in his view, served justice and maintained order . He distinguished between punishments for correction and those for final condemnation, such as a judge ordering the execution of a bandit .
<h4>The Church's Developing Teaching</h4> The Catechism of the Catholic Church, particularly in its revisions, reflects a development in the Church's understanding, guided by the Holy Spirit and a deeper reflection on the Gospel.
The 1992 Catechism (Original Text of 2267): The original text of paragraph 2267, promulgated in 1992, already showed a significant restriction on the use of the death penalty compared to earlier historical periods. It stated: "The traditional teaching of the Church does not exclude, presupposing full ascertainment of the identity and responsibility of the offender, recourse to the death penalty, when this is the only practicable way to defend the lives of human beings effectively against the aggressor." It further added, quoting St. John Paul II's encyclical Evangelium Vitae: "If, instead, bloodless means are sufficient to defend against the aggressor and to protect the safety of persons, public authority should limit itself to such means, because they better correspond to the concrete conditions of the common good and are more in conformity to the dignity of the human person. Today, in fact, given the means at the State's disposal to effectively repress crime by rendering inoffensive the one who has committed it, without depriving him definitively of the possibility of redeeming himself, cases of absolute necessity for suppression of the offender 'today ... are very rare, if not practically non-existent.'" This version already emphasized that non-lethal means are preferable and that the necessity for capital punishment was becoming increasingly rare due to modern penal systems.
The 2018 Revision of CCC 2267: The 2018 revision, promulgated under Pope Francis, represents a further development. The new text states: "Recourse to the death penalty on the part of legitimate authority, following a fair trial, was long considered an appropriate response to the gravity of certain crimes and an acceptable, albeit extreme, means of safeguarding the common good. Today, however, there is an increasing awareness that the dignity of the person is not lost even after the commission of very serious crimes. In addition, a new understanding has emerged of the significance of penal sanctions imposed by the state. Lastly, more effective systems of detention have been developed, which ensure the due protection of citizens but, at the same time, do not definitively deprive the guilty of the possibility of redemption." Consequently, the Church now teaches, "in the light of the Gospel, that 'the death penalty is inadmissible because it is an attack on the inviolability and dignity of the person', and she works with determination for its abolition worldwide."
<h4>Reconciling the Statements</h4> The reconciliation between Aquinas's position and the current Catechism lies in several key areas:
Development of Doctrine: Catholic doctrine, while constant in its core truths, can undergo development in its understanding and application. The Church's reflection on the dignity of the human person, created in the image of God, has deepened over centuries. The current teaching emphasizes that this dignity is inalienable, even for those who have committed heinous crimes .
Changed Historical and Social Context:
Shift in Emphasis on the Purposes of Punishment: While Aquinas acknowledged the medicinal aspect of punishment , the primary justification for capital punishment in his view was the protection of the common good and retributive justice. The modern Church, while still recognizing these aspects, places a stronger emphasis on the possibility of redemption for the offender and the inherent dignity of every person. The death penalty definitively closes the door to earthly repentance and reform.
Prudential Judgment: The application of moral principles to concrete situations often involves prudential judgment. Aquinas's assessment of the death penalty as "praiseworthy and advantageous" was a prudential judgment based on the conditions and understanding of his era. The Magisterium today, considering current realities and a deeper understanding of human dignity, makes a different prudential judgment, deeming the death penalty "inadmissible" . This doesn't necessarily mean Aquinas's fundamental principles were wrong, but rather that their application in this specific matter has evolved.
Understanding "Inadmissible": The term "inadmissible" signifies that, given current circumstances and the Church's understanding, the death penalty should not be used. It is described as "an attack on the inviolability and dignity of the person" . This strong language reflects a maturation of the Church's stance, moving beyond seeing it as merely a rarely justifiable option to viewing it as something that fundamentally conflicts with a Gospel-informed respect for life.
In essence, the Church's teaching has developed, not by contradicting the fundamental value of the common good that Aquinas upheld, but by integrating it with an ever-deeper appreciation for the inviolable dignity of the human person and by recognizing that modern society has effective means to protect the common good without resorting to capital punishment . The focus shifts to upholding both justice and mercy, recognizing that even the gravest sinner retains human dignity and the potential for conversion.