The minimum penalty for murder in Georgia is life with the possibility of parole. “We’ve seen no evidence he has any ability to develop a conscience or any ability ever to fully value human life,” Smith said. Gray had chatted online about gaining notoriety through a school shooting and his admiration for previous mass shooters. Gray had the “mental wherewithal” to mimic details of other mass killings on the day of the shooting, Smith said. Polhamus said she visits her grandson once a week at a youth detention center and that he has improved enormously with treatment and medication.