Any chance you can ask again for supervised visitation since he's too 'sick' to work now? It seems to me he's really shooting himself in the foot in the long run for continuing unsupervised visitation.
Just a thought.
Oh, and getting disability is a nightmare. I've been fighting for 4 years now, and have another hearing on September 22nd. He's got a long road of ahead of him if he thinks he can get it.