(1)The murder was especially heinous, atrocious, cruel, or depraved (or involved torture)
(2) The capital offense was committed during the commission of, attempt of, or escape from a specified felony (such as robbery, kidnapping, rape, sodomy, arson, oral copulation, train wrecking, carjacking, criminal gang activity, drug dealing, or aircraft piracy)
(3) The defendant knowingly created a grave risk of death for one or more persons in addition to the victim of the offense
(4)The defendant committed the offense with an assault weapon
(5) The defendant caused or directed another to commit murder, or the defendant procured the commission of the offense by payment, promise of payment, or anything of pecuniary value
(6) The defendant has been convicted of, or committed, a prior murder, a felony involving violence, or other serious felony
(7)The defendant committed the murder to avoid arrest for a criminal act or prevent detection of a criminal act or to hamper or prevent the victim from carrying out any act within the scope of the victim’s official duties or to retaliate against the victim for the performance of the victim’s official duties
(8)Murder of a person under 16 years of age
(9) Murders, while the victim was acting within the scope of his duties, a police officer, Division of Criminal Justice inspector, state marshal exercising his statutory authority, judicial marshal performing his duties, constable performing law enforcement duties, special policeman, conservation or special conservation officer appointed by the environmental protection commissioner, Department of Correction (DOC) employee or service provider acting within the scope of his employment in a correctional facility and the perpetrator is an inmate, or firefighter;

http://www.deathpenaltyinfo.org/aggravating-factors-capital-punishment-state