Unfortunately due to his numerous times in prison ; I think he will adapt.
Due to the extreme violence and death he inflicted on four people, I doubt he's ever going to be placed in the general population. The guards will protect themselves, other prisoners and his safety. The only way to ensure his safety will be to place him in solitary. It is difficult to adapt to solitary confinement but that's his problem. Many inmates would prefer the death penalty to solitary confinement. I've worked in a prison. Solitary is referred to as "The Hole."
JMO