On November 4, 2014, Cox won the election and became a Republican member of the Michigan House of Representatives for District 19.
[6] In 2018, Cox was endorsed for State GOP chair by campaign manager Brad Parscale.
[3][8] After Joe Biden won the 2020 presidential election, President Donald Trump refused to concede and made baseless claims of fraud.
[9] Her complaints about the election results focused solely on Wayne County, which includes Detroit, a majority-black city.
[10][11] Cox falsely claimed that Republican poll watchers were prevented from observing the ballot counting in Detroit; in fact, there were more than 134 Republican poll watchers in the TCF Center in Detroit, where ballots were counted.