nevermind, i clicked the link and saw it's a state.tx.us site
This crime happened in PA and would be tried under PA law. This is what I found from the PA consolidated statutes, crimes and offenses, chapter 18(oo! I can actually cite something!

) There's no mandatory sentences listed but I'm pretty sure I got those right, or at least close.
§ 2501. Criminal homicide.
(a) Offense defined.-A person is guilty of criminal homicide if he intentionally, knowlingly, recklessly or negligently causes the death of another human being.
(b) Classification.-Criminal homicide shall be classified as murder, voluntary manslaughter, or involuntary manslaughter.
§ 2502. Murder.
(a) Murder of the first degree.-A criminal homicide constitutes murder of the first degree when it is committed by an intentional killing.
(b) Murder of the second degree.-A criminal homicide constitutes murder of the second degree when it is committed while defendant was engaged as a principal or an accomplice int he perpetration of a felony.
(c) Murder of the third degree.-All other kinds of murder shall be murder of the third degree. Murder of the third degree is a felony of the first degree.