^^^^^^^I agree. His top seems to be spinning faster. And, now that you know a bit of where his head is at--the sheet thing is just weird--protect yourself.
In my experience, once stuff is gone...it's gone and there's no getting it back. Mainly, because you are relying on a crazy person's mood to determine if he feels like honoring any promise.
You've allowed him his time to move Leigh...One weekend and then over the period of this week if fine.
Now be the harda$$. This isn't good for you or your son to have him in and out. Use your son to justify your actions with the locks. He needs things to remain as steady and same as possible.
It really upset my D12 (Asperger's) when we came home and things were missing. It impacted her sense of safety.
Draw a line in the sand and be prepared to back it up with a call to the sheriff's dept if necessary. The sheriff's dept. or city police will be happy to help if a convicted felon is helping himself to your belongings.
"You know, it's times like these when I realize what a superhero I am." Tony Stark/Iron Man
“Focus on what you can do, then do it with all your heart.” Lois Wilson