Thanks for your reply. While my parents claim that they did not cosign, there's always the chance that my dad cosigned without telling my mom since he's a bit of a pushover. He also stated that he would rather just pay off her debt than let her get in trouble, even if it means dipping into his...
I am writing on behalf of my parents, who are at their wit's end trying to deal with this. My sister is a very irresponsible person and has basically cut all ties with the family. We haven't seen her in over a year, we have no idea where she lives, and the only contact number we have is her cell...