At the request of Rep. Waxman, the Special Investigations Division and GAO examined the effectiveness of the National Instant Criminal Background Check System (NICS). As part of this investigation, GAO agents used off-the-shelf software to make counterfeit drivers licenses and then used these false IDs to buy guns in five states: Virginia, West Virginia, Montana, New Mexico, and Arizona. The agents were successful in all five states. As part of the investigation, GAO issued its own report concluding that the instant background check system cannot ensure that prospective purchasers are not felons or others ineligible to buy guns.