Yes-couldn't say more than what others have said. Keep dovumenting, talk to a therapist and pursue criminal charges...I second hopefuls advice that you put some sort of tracking device on the kids...that will give you some comfort that at least you know where they are. I'm so sorry he's such a jerk and abusive to his own children to get back at you-I've been there, friend, and it hurts sooooo bad-it's not ok! You're doing great and I hope soon you post something positive about all this-like that he got run over by a bus.
You are getting stronger and stronger...more hugs your way!