Former Pro-Trump County Clerk Is Found Guilty of Tampering With Voting Machines

Tina Peters, the former clerk of Mesa County, Colo., was convicted on Monday of tampering with voting machines under her control in a failed attempt to prove that they had been used to rig the 2020 election against former President Donald J. Trump.

After nearly five hours of deliberations, a jury in Grand Junction found Ms. Peters guilty of seven criminal charges connected to her efforts to breach a machine manufactured by Dominion Voting Systems. The jury determined that Ms. Peters had helped an outsider gain unauthorized access to the machine in May 2021 and obtain information that was later made public at a conspiratorial event held to undermine trust in Mr. Trump’s defeat to Joseph R. Biden Jr.

Ms. Peters is set to be sentenced on Oct. 3 and could face multiple years in prison.

The conviction of Ms. Peters, who has become a celebrity in the world of those who have denied that Mr. Trump lost the last presidential election, is the first time that prosecutors have managed to hold a local election official accountable for a security breach of a voting machine used in 2020. It also suggests the extent to which allies of Mr. Trump, including those in public office, went to discredit his loss.

After 2020, pro-Trump activists in cities across the country sought to gain access to Dominion voting machines, hoping to prove that they had been used to flip votes away from Mr. Trump to Mr. Biden. All of those efforts failed, and local officials have in many cases opened investigations.

More recently, concerns have been raised that officials loyal to Mr. Trump could seek to tamper with the results of the 2024 election. Other allies of the former president have sought to give local election officials discretionary power over the