First degree murder is the intentional killing of another person by someone who has acted willfully, deliberately, or with planning. Generally, there are two types of first-degree murder: premeditated intent to kill and felony murder. This...
homicide
(Wex page)
There are no degrees of murder at common law. It is a modern statutory rule which divides murder into degrees according to its mens rea, but the exact definition of second-degree murder varies by jurisdiction.
Both first-...