So far, I think he needs to get his very last chapter, he wanted him to sleep in a cage , he said that if Michael had to go out. Just go to sleep, I think he was forced to sleep Mikael's not so imprisoned him.
Until now, I think he needs to help him sleep.The latest chapter he wanted him sleeping in the cage.He said that if Michael wants to leave, just go to sleep.I think he forced Mikhail Abe to deep sleep.Therefore, locked him up.