I'll keep you in my prayers. Someone mentioned not giving him any visitation.... make him fight.... not a good idea, courts WANT to see that you are NOT doing that. The want what is best for the children. Spite and nastiness should be kept out of it. Do what you feel is best and if you do not feel that he would harm them, don't keep them from him. That would not benefit anyone. Kids are the ones who get hurt when used as pawns.
I hope it all works out the way you want, and he comes to his senses now that he sees you are serious. Sometimes, we don't miss what we have til it's gone, unfortunately, when he goes to his "friends" they will probably make you the villian, taking HIS babies away. Stay strong, it will be a rocky road, the state of not knowing is horrible and I know all the confusion and pain (even anger) you are feeling. Of course, we are all here for you, to support you and love ya thru this!!
Take care
Jacki