The way I see it, Angie, is that she's her case manager's responsibility, not yours. You are the facilitator, but you have your own rules and boundaries. If I was you, I'd wash my hands of her.
"You fool (screw) me once, shame on you. You fool (screw) me twice, shame on ME!"
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.