Tell your kid what she is doing. It is the ultimate win. They will be upset at first, but she loses forever. If the house is yours dump all her shit outside. If not just leave and don't come back when she is gone on her excursion. Don't answer any calls, don't talk to her, don't reply to any letters or mail (unless legally necessary). Do all the legal stuff by the book. Ask your kid who they want to stay with.
Cheats never change. Never.
Wanderlei "The Axe Murderer" Silva
Antonio Rodrigo "Minotauro" Nogueira
Ken "You got kicked. By a kick." Shamrock
WAR The CroCop!
I could care less = you care
I couldn't care less = you don't care