It's time to cut the rope, start with the house stuff.
He is not allowed in the house for more than 5 minutes to pick up the kids if he has them for overnights. If he has visitation with the kids before bed structured in your mediation agreement, he can take them out of the house to his place.
What is the agreement setup like?
DO NOT let him in and out of the house. Do you have a L? Ask him if you can change the locks. You probably can after 8 months of this.
----"Et tu, Brute?"---- me:28 W:24 S4 T:6 M:4 EA Exposed: 5/21/10 Bomb: 6/20/10 (Father's Day) NC w/ OM: 7/10/10 W moved out 8/21/10 http://bit.ly/aOrZne - My sitch