allowed the killer to purchase the gun while the background check was still underway. how does this settlement prevent another dylan roof? >> from a legal standpoint, the settlement doesn't do anything to change or alter the existing landscape. >> reporter: what family members of the victim hope is that the settlement will serve as a deterrent. >> this is a nightmare that will never end. >> reporter: singleton wrote a book that he called "i never forgave the killer." his mother mira died in the shooting. >> i have a young daughter that has a fear of sitting in a church because she thinks somebody of a different color is going to come in there and open fire. >> reporter: in total, the survivors and family members of the victims will receive $88 million. there is symbolism in that number. dylan roof was known to wear the 88, which is considered white supremacist code. norah. >> o'donnell: just got the chills hearing you say that. jeff pegues, thank you.