Jeffrey Clark was a former Acting Assistant to the US Attorney General. Yuri Gripas / Getty ImagesTrump-appointed DOJ officials asked their superiors to investigate "foreign election interference" issues.Emails released recently reveal that Jeffrey Clark claimed that China altered voter ballots by using thermostats.Clark also asked Georgia to investigate voter irregularities, even though the DOJ claimed there weren't.Check out more stories from Insider's business page.Jeffrey Clark, a Trump-appointed Justice Department official, stated to senior officials that China used thermostats for changing ballots during the 2020 presidential election.Clark, in a December 2020 email, wrote to his superiors, including Jeffrey Rosen, acting attorney general, and Richard Donoghue his deputy, asking them to investigate "foreign electoral interference issues".Clark claimed that hackers had evidence showing that "a Dominion Machine accessed the Internet via a smart thermostat with an internet connection trail leading back towards China."The House Oversight Committee obtained the emails and reported them to ABC.Clark has been a pivotal figure in Donald Trump's efforts to overturn the 2020 election.In September 2020, Trump appointed Clark to act as the assistant attorney general for the Justice Department's Civil Division. According to the New York Times the two men later conspired to expel Jeffrey Rosen and appoint Clark to be acting attorney general.Insider reported that Trump told Justice Department officials, including Rosen and Donoghue on December 27, to "just state that the election was corrupt + let the rest to me."Clark sent Clark a December 28th email in which he revealed that he attempted to use the Justice Department's power to intervene in Georgia’s election.Clark wrote to his superiors asking them to convene an extra session of the state legislature in order to investigate voter fraud claims.His Justice Department colleagues eventually refused to agree, saying they could not find any evidence of widespread fraud.Continue the storyClark commented on the Chinese thermostats in an email that was sent as part of this exchange.Despite continued claims by Trump supporters, the accusation that China interfered in the 2020 elections has been widely discredited.CNN reports that Clark has not yet been scheduled to interview the House Select Committee, which is currently investigating the Capitol Riot.According to the outlet, Clark is waiting to get access to documents that the committee has in order to determine if a fight over presidential secret discussions will occur.Business Insider has the original article.