(a) A person commits the crime of assault in the 1st degree if:
(1) he purposely or knowingly causes serious physical injury to another person; or
(2) he attempts to kill or to cause serious physical injury to another person; or
(3) under circumstances manifesting extreme indifference to the value of human life he recklessly engages in conduct which creates a grave risk of death to another person and thereby causes serious physical injury to another person.
(b) Assault in the 1st degree is a class B felony unless committed by means of a deadly weapon or dangerous instrument, then it is a class A felony.
History: 1979, PL 16-43 § 2.