A Topic of Moral Theology

Killing the Innocent

Murder, abortion, and the direct killing of the innocent.

Within this topic

Penalty The crimes that make irregular (Can. 985) — in Irregularities arising from Crime

Also asked about as…

aggressor · homicide · manslaughter · murder (ed.)

In the index as Homicide, (see Manslaughter) · Killing · Abortion (Abortus) · Punishment · Innocent · Homicides (Homicidae) · Innocent person (Innocens) · Irregularity · Mutilation · Suicide · Craniotomy (Craneotomia) · Fetus (Foetus) · Medicine (Medicina) · Obedience · Of an innocent person · Procuring abortion · To kill · Aggressor · Caesarean operation · Criminals · Danger (Periculum) · Defense · Embryotomy · Hostages (Obsides)

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. VI, Pt. V, Chapter III. Justifiable Homicide, nn. 1 & 4 (2 passages — hover a number to read it)

Vol. I, Bk. VI, Pt. V, Chapter IV. Killing the Innocent, nn. 1, 2, 3, 4, 5, 6 & 7 (7 passages — hover a number to read it)

Vol. II, Bk. XI, Chapter III. Irregularities arising from Crime, n. 1 — ACCORDING to Canon 985, the following are irregular from crime. These crimes, however, do not cause irregularity unless they were grave, external sins, whether public or occult, and committed after Baptism, except in the… Read in context →

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. I, Bk. II, Tr. I, Diss. III, Pt. III, Section II. On Sins Opposed to Charity Toward Self, nn. 523, 525 & 527 (3 passages — hover a number to read it)

Vol. I, Bk. II, Tr. II, Diss. I, Part V. On the Fifth Precept of the Decalogue, n. 730 — By the fifth precept there is prohibited "the unjust killing, mutilation, beating, and other similar affliction" of oneself and of one's neighbor (St. Alphonsus, III, 363). Killing is distinguished: 1. Into direct and in… Read in context →

Vol. I, Bk. II, Tr. II, Diss. I, Pt. V, Sect. I, Chapter I. On the Killing of an Innocent Person in General, n. 731 — I. Direct killing of an innocent person is a grave sin from its whole genus. This is clear both from Sacred Scripture, and from the fact that the murderer: 1. destroys what is not his, but God's; 2. deprives his neighbor… Read in context →

Vol. I, Bk. II, Tr. II, Diss. I, Pt. V, Section II. On the Killing of a Criminal, n. 741 — I. Public authority has the power of killing criminals. This is clear first from Sacred Scripture, likewise from the doctrine and practice of the Church; then from reason. For public power has a power which is very usefu… Read in context →

Vol. I, Bk. II, Tr. II, Diss. I, Pt. V, Section III. On the Killing of an Unjust Aggressor, n. 743 — I. It is lawful to repel an unjust aggressor against life, even, with the necessary conditions posited, by killing him. This is clear from Sacred Scripture and from the doctrine of the Church contained in the old Law. An… Read in context →

Vol. I, Bk. II, Tr. II, Diss. I, Pt. VII, Sect. II, Ch. III, Article II. On Goods of the Body, n. 1035 — I. Spiritual damages consist in this: that the one killed is deprived of the last sacraments, of time for meriting, etc. Moreover, they must be restored only if both the damage that followed is certain and the damage can… Read in context →

Moral Theology: A Complete Course (McHugh & Callan)

Vol. II, Pt. II, Q. II, Art. 4. The Vices Opposed …, Homicide, nn. 1816, 1819, 1820, 1823, 1824, 1826, 1844, 1847, 1848 & 1851 (10 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 4. The Vices Opposed …, Accidental Homicide, nn. 1862 & 1865 (2 passages — hover a number to read it)

Institutions of Moral Theology (Institutiones Theologiae Moralis)

Vol. I, On the Fourth Precept of t…, V. Obligations of Inferiors and Superiors, n. 706 — Is it ever lawful not to obey temporal authority? Is it ever lawful to rebel? Is it ever lawful to kill a Prince? R. To the 1st: As was already said above, n. 171, 4. Laws unjust through contrariety to human good do not … Read in context →

Vol. I, On the Fifth Precept of th…, I. On the Killing of Oneself, nn. 708 & 710 (2 passages — hover a number to read it)

Vol. I, On the Fifth Precept of th…, II. On the Killing of the Guilty, n. 719 — Is it lawful by public authority to kill the guilty? - It is lawful by public authority either to imprison, or to beat, or to mutilate in some member, or even to kill malefactors, according to the various gravity of offe… Read in context →

Vol. I, On the Fifth Precept of th…, III. On the Killing of an Unjust Aggressor, n. 726 — Is it lawful to kill an aggressor against one's life? - Anyone can kill an unjust aggressor against his life, with the moderation of blameless defense. Thus S. Thomas, and he confirms his thesis from the fact that in Exo… Read in context →

Vol. I, On the Fifth Precept of th…, IV. On the Killing of the Innocent, nn. 736, 737, 738, 739, 740 & 741 (6 passages — hover a number to read it)

Vol. II, On the Seventh and Tenth P…, XXIV. On Restitution from Unjust Damaging, n. 1372 — To what is the damager bound because of unjust homicide? - Homicides or mutilators more probably must restore nothing precisely for life, member, etc., because these are not estimable by price. But they are bound to comp… Read in context →

Vol. III, On the Particular Obligati…, VIII. On Defendants, n. 80 — Can an innocent person under inquiry defend himself against those who wish to apprehend him? - The practical case can exist especially in a time of anarchy or tyranny, and it is commonly answered affirmatively, since it … Read in context →

Vol. IV, On the Constitution *Apostolicae Sedis*, nn. 1182 & 1198 (2 passages — hover a number to read it)

Vol. IV, On Irregularity, nn. 1329 & 1345 (2 passages — hover a number to read it)

A Handbook of Moral Theology (Koch–Preuss)

Vol. V, Pt. I, Ch. IV, Section 1: The Right to Life, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10 & ¶11 (11 passages — hover a number to read it)

Vol. V, Pt. I, Ch. IV, Section 8: Duties with Regard to the Bodily Life of Others, nn. ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10 & ¶11 (10 passages — hover a number to read it)

Pastoral Questions

Merkelbach, Pastoral Questions, II. Questions Concerning E…, Practical Questions Concerning Embryology, nn. ¶765, ¶766, ¶767, ¶768, ¶769 & ¶770 (6 passages — hover a number to read it)

Merkelbach, Pastoral Questions, IIbis. Questions Concernin…, On Embryology, nn. ¶1150–¶1170 (21 passages)

Merkelbach, Pastoral Questions, IIbis. Questions Concernin…, Conclusions, nn. ¶1503, ¶1504, ¶1505, ¶1506, ¶1507, ¶1508, ¶1509, ¶1510, ¶1511, ¶1512, ¶1513 & ¶1514 (12 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. II, Tr. XI, Sect. I, Q. III, Ch. III, Art. III, § 2, 5. On The Killing Of The Innocent In General, nn. 131 & 132 (2 passages — hover a number to read it)

Institutiones Morales Alphonsianae

Vol. I, Pt. II, Sect. II, Tr. V, Ch. II, ARTICLE III: On the Killing of an Innocent Person, n. ¶1 — There must be said: 1. concerning the killing of an innocent person in general; - 2. concerning the procuring of abortion.Read in context →

Vol. I, Pt. II, Sect. II, Tr. V, Ch. II, Art. III, § 1. On the Killing of an Innocent Person in General, nn. ¶1, ¶2, ¶738, ¶739 & ¶740 (5 passages — hover a number to read it)

Vol. I, Pt. II, Sect. II, Tr. V, Ch. II, Art. III, § 2. On the Procuring of Abortion, nn. ¶1, ¶2, ¶741, ¶742, ¶743, ¶744 & ¶745 (7 passages — hover a number to read it)

Theologia Moralis Sancti Alphonsi: Reduced into a Compendium

Vol. I, TREATISE ON THE PRECEPTS O…, Ch. II, Art. III, § I. On the killing of an innocent in general, nn. ¶472 & ¶473 (2 passages — hover a number to read it)

Vol. I, TREATISE ON THE PRECEPTS O…, Ch. II, Art. III, § II. On the procurement of abortion, nn. ¶1, ¶474, ¶475 & ¶476 (4 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Third Part: Concerning Com…, Section B: On Justice and …, Ch. I, Question Three: On the Killing of One's Neighbor, n. 359 (10 passages — hover a number to read it)

Compendium of Moral Theology

Vol. I, Tr. VI, On the Fifth Precept of th…, Ch. II, Art. III, § I. On the Killing of an Innocent Person in General, nn. 270 & 271 (2 passages — hover a number to read it)

The Casuist: A Collection of Cases in Moral and Pastoral Theology

Vol. IV, Case VIII: Concerning the Procuring of Abortion, nn. ¶1–¶15 (15 passages)

Vol. IV, Case LXVI: A New Operation in Childbirth, nn. ¶1 & ¶2 (2 passages — hover a number to read it)

Moral Principles and Medical Practice: The Basis of Medical Jurisprudence

Coppens, Medical Practice, Lecture II. Craniotomy, nn. ¶1–¶35 (35 passages)

Coppens, Medical Practice, Lecture III. Abortion, nn. ¶1–¶42 (42 passages)

Coppens, Medical Practice, Lecture IV. Views of Scientists and Sciolists, nn. ¶1–¶63 (63 passages)

Cases of Conscience for English-Speaking Countries, Volume I

Slater, Cases I, The Fifth Commandment, Case 2. Medical Abortion, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8 & ¶9 (9 passages — hover a number to read it)

Slater, Cases I, The Fifth Commandment, Case 4. Ectopic Gestation, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8 & ¶9 (9 passages — hover a number to read it)

What Is Marriage? A Catechism Arranged According to the Encyclical “Casti Connubii” of Pope Pius XI

Vermeersch, What Is Marriage?, Part Two: The Attack on Ma…, The Campaign Against the Child, nn. 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115 & 116 (13 passages — hover a number to read it)

Theologia Moralis: Principles — Responses — Counsels

Vol. II, Bk. II, Tractate V: On Justice, Ch. II, Art. I, § 2. Injuries Against the Body or Temporal Life of Neighbor, nn. 618, 619, 620, 621, 622, 623, 624, 625, 626 & 627 (10 passages — hover a number to read it)

Cases of Conscience, Proposed by Cardinal de Lugo, by Fr. Beniamino Elbel, by Fr. Ioannes Petrus Gury and by Other Authors, and Resolved (Casus conscientiae)

60. On Homicide and Abortion, nn. 1, 2, 3, 4 & 5 (18 passages — hover a number to read it)

174. Abortion, nn. 1, 2 & 3 (7 passages — hover a number to read it)

Palladium Theologicum, Tome V: On the Virtues

Tr. I, Disputation XXVI: On Homic…, Question X: Whether a pregnant mother may, to save her own life, procure the abortion of the fetus, nn. 1–14 (14 passages)

Tr. I, Disputation XXVI: On Homic…, Question XI: On accidental homicide, nn. 1, 2, 3, 4, 5, 6 & 7 (7 passages — hover a number to read it)

Moral Enchiridion, and Supplement to the Compendium of Moral Theology of Gury-Ballerini (Enchiridion Morale)

Bucceroni, Moral Enchiridion, Appendix, First Commentary: On the Response of the Holy Office concerning Craniotomy. Cf. n. 402, nn. 1–18 (18 passages)

Compendium of Moral Theology of Fr. John Peter Gury, S.J., with the Notes of Antonio Ballerini, S.J.

Vol. I, Treatise On the Precepts o…, On the Fifth Precept of th…, Ch. II, Art. III, § I. On the Killing of the Innocent in General, nn. 400 & 401 (8 passages — hover a number to read it)

Vol. I, Treatise On the Precepts o…, On the Fifth Precept of th…, Ch. II, Art. III, § II. On the Procuring of Abortion, nn. ¶1, 402 & 403 (10 passages — hover a number to read it)

On Chastity and on the Contrary Vices: A Doctrinal and Moral Treatise

Ch. II, Art. III, § 2, III. On the Excuses for Artificial Sterility and Abortion, nn. 132, 133, ¶713, ¶714, ¶715, ¶716, ¶717, ¶718, ¶719, ¶720, 134, ¶721 & ¶722 (13 passages — hover a number to read it)

Synopsis of Moral and Pastoral Theology

Vol. I, Matrimony, and Holy Orders, On Marriage (Volume I), Supplement to the Treatise on Marriage, nn. 72, 73, 74, 75, 76, 77 & 78 (7 passages — hover a number to read it)

Vol. III, Contracts, and the Obligat…, On the Virtue of Justice (…, Part I — Chapter II: On Injury, or the Violation of Right, nn. 312, 313, 314 & 315 (4 passages — hover a number to read it)

Treated under the broader heading Life and Bodily Integrity (Fifth Commandment) — The Roman Catechism · Coppens, Moral Philosophy · 1917 Code of Canon Law — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)