As used in this chapter:

     (1) "Slayer" shall mean any person who participates, either as a principal or an accessory before the fact, in the wilful and unlawful killing of any other person.

     (2) "Decedent" shall mean any person whose life is so taken.

     (3) "Property" shall include any real and personal property and any right or interest therein.

[1965 c 145 § 11.84.010. Prior: 1955 c 141 § 1.]