Wyo. Stat. § 27-14-511: Recovery of benefits paid by mistake or fraud.

The attorney general may bring a civil action to recover the value of any benefits or other monies paid under this act due to mistake, misrepresentation or fraud. The attorney general shall be entitled to recover the costs of suit and reasonable attorney fees in cases of misrepresentation or fraud. Nothing in this section shall prohibit a criminal prosecution where appropriate. Any civil action for recovery of overpayment resulting from a mistake by the division shall be commenced within one (1) year after the alleged overpayment and shall be limited to recovery of those mistaken payments made within twelve (12) months before the commencement of the action.