Idaho Code § 18-4002
EXPRESS AND IMPLIED MALICE.
18-4002. Express and implied malice. Such malice may be express or implied. It is express when there is manifested a deliberate intention unlawfully to take away the life of a fellow creature. It is implied when no considerable provocation appears, or when the circumstances attending the killing show an abandoned and malignant heart.
History: [18-4002, added 1972, ch. 336, sec. 1, p. 928.]