The following are aggravating circumstances:
1. That advantage be taken by the offender of his public position.
2. That the crime be committed in contempt of or with insult to the public authorities.
3. That the act be committed with insult or in disregard of the respect due the offended party on account of his rank, age, or sex, or that it be committed in the dwelling of the offended party, if the latter has not given provocation.
4. That the act be committed with abuse of confidence or obvious ungratefulness.
5. That the crime be committed in the palace of the Chief Executive, or in his presence, or where public authorities are engaged in the discharge of their duties, or in a place dedicated to religious worship.
6. That the crime be committed in the night time, or in an uninhabited place, or by a band, whenever such circumstances may facilitate the commission of the offense.
Whenever more than three armed malefactors shall have acted together in the commission of an offense it shall be deemed to have been committed by a band.
7. That the crime be committed on the occasion of a conflagration, shipwreck, earthquake, epidemic or other calamity or misfortune.
8. That the crime be committed with the aid of armed men or persons who insure or afford impunity.
9. That the accused is a recidivist.
A recidivist is one who, at the time of his trial for one crime, shall have been previously convicted by final judgment of another crime embraced in the same title of this Code.
10. That the offender has been previously punished for an offense to which the law attaches an equal or greater penalty or for two or more crimes to which it attaches a lighter penalty.
11. That the crime be committed in consideration of a price, reward, or promise.
12. That the crime be committed by means of inundation, fire, poison, explosion, stranding of a vessel or intentional damage thereto, derailment of a locomotive, or by the use of any other artifice involving great waste and ruin.
13. That the act be committed with evident premeditation.
14. That craft, fraud, or disguise be employed.
15. That advantage be taken of superior strength, or means be employed to weaken the defense.
16. That the act be committed with treachery (alevosia).
There is treachery when the offender commits any of the crimes against the person, employing means, methods, or forms in the execution thereof which tend directly and specially to insure its execution, without risk to himself arising from the defense which the offended party might make.
17. That means be employed or circumstances brought about which add ignominy to the natural effects of the act.
18. That the crime be committed after an unlawful entry. There is an unlawful entry when an entrance is effected by a way not intended for the purpose.
19. That as a means to the commission of a crime a wall, roof, floor, door, or window be broken.
20. That the crime be committed with the aid of persons under fifteen years of age or by means of motor vehicles, airships, or other similar means.
21. That the Wrong done in the commission of the crime be deliberately augmented by causing other wrong not necessary for its commission.