(A) Imposition of the death penalty for aggravated murder is precluded unless one or more of the following is specified in the indictment or count in the indictment pursuant to section 2941.14 of the Revised Code and proved beyond a reasonable doubt:

1. (1) The offense was the assassination of the president of the United States or a person in line of succession to the presidency, the governor or lieutenant governor of this state, the president-elect or vice president-elect of the United States, the governor-elect or lieutenant governor-elect of this state, or a candidate for any of the offices described in this division. For purposes of this division, a person is a candidate if the person has been nominated for election according to law, if the person has filed a petition or petitions according to law to have the person's name placed on the ballot in a primary or general election, or if the person campaigns as a write-in candidate in a primary or general election.
2. (2) The offense was committed for hire.
3. (3) The offense was committed for the purpose of escaping detection, apprehension, trial, or punishment for another offense committed by the offender.

4. (4) The offense was committed while the offender was under detention or while the offender was at large after having broken detention. As used in division (A)(4) of this section, "detention" has the same meaning as in section 2921.01 of the Revised Code, except that detention does not include hospitalization, institutionalization, or confinement in a mental health facility or i ntellectual disabilities facility unless at the time of the commission of the offense either of the following circumstances apply:

   1. (a) The offender was in the facility as a result of being charged with a violation of a section of the Revised Code.
   2. (b) The offender was under detention as a result of being convicted of or pleading guilty to a violation of a section of the Revised Code.
5. (5) Prior to the offense at bar, the offender was convicted of an offense an essential element of which was the purposeful killing of or attempt to kill another, or the offense at bar was part of a course of conduct involving the purposeful killing of or attempt to kill two or more persons by the offender.
6. (6) The victim of the offense was a law enforcement officer, as defined in section 2911.01 of the Revised Code, whom the offender had reasonable cause to know or knew to be a law enforcement officer as so defined, and either the victim, at the time of the commission of the offense, was engaged in the victim's duties, or it was the offender's specific purpose to kill a law enforcement officer as so defined.
7. (7) The offense was committed while the offender was committing, attempting to commit, or fleeing immediately after committing or attempting to commit kidnapping, rape, aggravated arson, aggravated robbery, or aggravated burglary, and either the offender was the principal offender in the commission of the aggravated murder or, if not the principal offender, committed the aggravated murder with prior calculation and design.
8. (8) The victim of the aggravated murder was a witness to an offense who was purposely killed to prevent the victim's testimony in any criminal proceeding and the aggravated murder was not committed during the commission, attempted commission, or flight immediately after the commission or attempted commission of the offense to which the victim was a witness, or the victim of the aggravated murder was a witness to an offense and was purposely killed in retaliation for the victim's testimony in any criminal proceeding.
9. (9) The offender, in the commission of the offense, purposefully caused the death of another who was under thirteen years of age at the time of the commission of the offense, and either the offender was the principal offender in the commission of the offense or, if not the principal offender, committed the offense with prior calculation and design.
10. (10) The offense was committed while the offender was committing, attempting to commit, or fleeing immediately after committing or attempting to commit terrorism.

(B) If one or more of the aggravating circumstances listed in division (A) of this section is specified in the indictment or count in the indictment and proved beyond a reasonable doubt, and if the offender did not raise the matter of age pursuant to section 2929.023 of the Revised Code or if the offender, after raising the matter of age, was found at trial to have been eighteen years of age or older at the time of the commission of the offense, the court, trial jury, or panel of three judges shall consider, and weigh against the aggravating circumstances proved beyond a reasonable doubt, the nature and circumstances of the offense, the history, character, and background of the offender, and all of the following factors:

1. (1) Whether the victim of the offense induced or facilitated it;
2. (2) Whether it is unlikely that the offense would have been committed, but for the fact that the offender was under duress, coercion, or strong provocation;
3. (3) Whether, at the time of committing the offense, the offender, because of a mental disease or defect, lacked substantial capacity to appreciate the criminality of the offender's conduct or to conform the offender's conduct to the requirements of the law;
4. (4) The youth of the offender;
5. (5) The offender's lack of a significant history of prior criminal convictions and delinquency adjudications;
6. (6) If the offender was a participant in the offense but not the principal offender, the degree of the offender's participation in the offense and the degree of the offender's participation in the acts that led to the death of the victim;
7. (7) Any other factors that are relevant to the issue of whether the offender should be sentenced to death.