Anonymous 11/11/2019 (Mon) 19:08:17 No.34954 del
Penal Code Section 188 defines it as "when no considerable provocation appears, or when the circumstances attending the killing show an abandoned and malignant heart." One doesn't intend to kill. But one knows or should know that his action is likely to cause the death of another person.
"Malice Aforethought" in California Murder Cases