§21-733.

§21-733.
   
   Homicide is also justifiable when committed by any person in either of
   the following cases:
   
   1. When resisting any attempt to murder such person, or to commit any
   felony upon him, or upon or in any dwelling house in which such person
   is; or,
   
   2. When committed in the lawful defense of such person, or of his or
   her husband, wife, parent, child, master, mistress, or servant, when
   there is a reasonable ground to apprehend a design to commit a felony,
   or to do some great personal injury, and imminent danger of such
   design being accomplished; or,
   
   3. When necessarily committed in attempting, by lawful ways and means,
   to apprehend any person for any felony committed; or in lawfully
   suppressing any riot; or in lawfully keeping and preserving the peace.