FILE - In this Oct. 15, 2020, file photo, Colorado Secretary of State Jena Griswold speaks during a news conference about the the state’s efforts to protect the process of casting a vote in the general election in downtown Denver. Griswold accused Mesa County’s election Clerk Tina Peters of directing staff to turn off video surveillance of voting equipment before a May 25, 2021, software update. Griswold also says Peters allowed a non-employee into the elections office during the highly secure software update. (AP Photo/David Zalubowski, File)
DENVER — The FBI said Wednesday its agents are joining a criminal investigation into an alleged security breach of a rural Colorado county’s voting equipment.