Death is apparently not going to be satisfied until it had claimed everything he knew and loved. Perhaps that was the reason he had gone mad. Or maybe he had murdered people before the accident and when the Kagune was placed in his body, it truly freed him.
Long ago his mother had died from overwork. She had just collapsed and left him behind. His aunt had taken him in out of obligation, though there was more to his story.
Much more. His mind had created a new friend for him, one that he ultimately killed after he'd received the Kagune. He didn't need a conscious when he was no longer human.
Jason learned to fear him. Rize had taken the place of Hide. The Aogiri did not know what they brought back with them and what Jason had unleashed until it was too late.
The Centipede was hungry for more.