Four employees with the Massachusetts Registry of Motor Vehicles were fired Wednesday after the agency learned the employees were responsible for issuing 2,100 driver licenses without the drivers taking a road test at the Brockton Customer Service Center.

In a joint investigation with the Massachusetts Department of Transportation and the RMV, it was determined that since 2018, two test examiners gave the 2,100 drivers passing marks for completing a road test they never took. A probe into the licenses was launched in 2020 when the state’s Department of Transportation said it noticed suspicious behavior.