(a) The state may seek to have a person sentenced to life imprisonment without parole for any felony described in section 2(b)(4) of this chapter by alleging, on a page separate from the rest of the charging instrument, that the person has accumulated two (2) prior unrelated felony convictions described in section 2(b)(4) of this chapter.
(b) The state may seek to have a person sentenced to life imprisonment without parole for a Class A felony under IC 35-42-4 that is a sex offense against a child by alleging, on a page separate from the rest of the charging instrument, that the person has a prior unrelated Class A felony conviction under IC 35-42-4 that is a sex offense against a child.
(c) If the person was convicted of the felony in a jury trial, the jury shall reconvene to hear evidence on the life imprisonment without parole allegation. If the person was convicted of the felony by trial to the court without a jury or if the judgment was entered to guilty plea, the court alone shall hear evidence on the life imprisonment without parole allegation.
(d) A person is subject to life imprisonment without parole if the jury (in a case tried by a jury) or the court (in a case tried by the court or on a judgment entered on a guilty plea) finds that the state has proved beyond a reasonable doubt that the person:
(1) has accumulated two (2) prior unrelated convictions for offenses described in section 2(b)(4) of this chapter; or
(2) has a prior unrelated Class A felony conviction under IC 35-42-4 that is a sex offense against a child.
(e) The court may sentence a person found to be subject to life imprisonment without parole under this section to life imprisonment without parole.