I see. Together, but not married, so no "legal" right to occupy the home. There was probably a reason the deed is the way it is. And I bet it was not your idea.
While it is not easy, you can still leave. You have a key. He will be in jail soon enough. He will be at work. What ever.
Sounds like a near life or death situation. Walk out the door. Don't come back. Clean out the joint account on your way. It's a joint account. Just as much yours, right?
Or is there no joint account? if not, that was by design too. Someone has all the cards in this game.