I am so sorry.  You could indeed take drastic measures here and I would consult with your attorney about them.  Call the credit card company.  Ask to see the original application because you believe that your signature was forged.  Ask them to close the card immediately. If she did not have your permission to open the card you ned to use thin info in the divorce settlement.  She needs to be made responsible for the card but I would not just assign the debt to her. I would have the debt paid immediately out of her portion of the settlement or pay it on her behalf and have the court assign you another asset.  Get help.  Good luck.