"Holding them longer doesn’t provide deterrence or rehabilitation. Instead, it serves only as punishment..."

When someone is convicted of multiple attempted murders, I think punishment is acceptable.

“I’ve matured. I’m not the same person I used to be. I ain’t got no write-ups in nine months,” he said. “I know what life is about.”

Lucky guy!  He got life all figured out because he didn't do anything wrong for almost a whole year!  He also, "ain't got no", proper English.