its worded so damn sexy:
4)(a) When committed by a person lawfully inside a dwelling, a place of business, or a motor vehicle as defined in R.S. 32:1(40), against a person who is attempting to make an unlawful entry into the dwelling, place of business, or motor vehicle, or who has made an unlawful entry into the dwelling, place of business, or motor vehicle, and the person committing the homicide reasonably believes that the use of deadly force is necessary to prevent the entry or to compel the intruder to leave the premises or motor vehicle.
http://www.legis.state.la.us/lss/lss.asp?doc=78338
just trying to enter someones car while they are in it is enough to get shot LOL