I recently received a request from my former employer in the mail. It stated that they overpaid me on my last check by about $175. I was unaware that I was overpaid. They are now asking me to mail them the payment. I have not worked there for over a month now. Do I legally have to pay them back?

Have you browsed through the information in LawInfo's Free Legal Resource Center to learn more about your issue yet? See: http://www.lawinfo.com/consumer.html and http://resources.lawinfo.com/en/index.html. You can certainly try to speak to a lawyer to determine what legal options may be available. In the meantime, you may be able to learn more on your own. Search the "Free Legal Resources" tab, or browse the Consumer Resources. Good luck.