by the Secretary. (9) Details regarding the perpetrator’s religious training history, activity, and affiliation. (10) The itemized number of mass killings that were perpetrated with a firearm (as such term is defined in section 921 of title 18, United States Code), including the specific type of firearm that was used in each such killing. (11) The number of mass killings that were perpetrated with a weapon other than a firearm, including the specific type of weapon that was used in each such killing. (12) The number of mass killings that were perpetrated in gun-free zones. (13) Whether or not the perpetrator of each mass killing legally acquired or legally possessed the firearm or other weapon. (14) Any other commonalities among the circumstances of the mass killings, as determined by the Secretary.