Pity you can't hold his belongings in lieu of the rent and money he owes you.
What a lowdown jerk he is, and how good it will be to have him out permanently.
For you and your girls sake, change the locks anyway, go no contact, and expect. at some time within the next few months to hear how he is either still in love with you and wants to return or he is happy, sober and doing fine without you. Both will be c**p lies.