Senators John McCain and Jeff Flake, is in the heart of the East Valley and includes most of Mesa and Chandler and all of Queen Creek and Biggs's hometown of Gilbert.

From 2019 to 2022, Biggs served as chairman of the Freedom Caucus, which includes the House Republican Conference's most conservative members.

[7] When he was young, Biggs went on a mission to Japan for the Church of Jesus Christ of Latter-day Saints and learned to speak fluent Japanese.

[10][11] Enabled by $10 million in sweepstakes winnings, which made him financially independent, Biggs decided to run for office.

He led the field in the four-way Republican primary, finishing nine votes ahead of his nearest opponent, businesswoman Christine Jones.

[25] He was not required to give up his state senate seat under Arizona's resign-to-run laws, since he was in the last year of what would have been his final term in the chamber.

[29] On March 4, 2020, Ken Buck and Biggs were the only two representatives to vote against an $8.3 billion emergency aid package meant to help the U.S. respond to the COVID-19 pandemic.

[34][35] In 2020, Biggs joined Representative Paul Gosar in a video claiming there was widespread voter fraud in the 2020 presidential election.

[38][39] Biggs also spoke at rallies promoting the "Stop the Steal" election conspiracy movement, and has claimed antifa was behind the January 6, 2021, storming of the U.S.

[40] He denied that he was involved in planning the event and the riots as alleged by Rolling Stone and a video posted by Stop the Steal organizer Ali Alexander.

[41] In a deposition to the January 6 committee of the House of Representatives, Alexander testified that he spoke in person with Biggs before the events.

A video of Biggs later surfaced in which he refused to wear a face mask during the COVID-19 pandemic, a violation of House rules.

[44][45] Sources noted that after the siege lockdown, during which several other congressional Republicans also refused to wear masks, three House Democrats tested positive for the disease.

[47] On January 12, 2021, Biggs called on Representative Liz Cheney to resign from her leadership position in the Republican caucus after she voted in favor of Donald Trump's second impeachment.

[55] On June 23, 2022, witnesses confirmed that Biggs had asked for a presidential pardon for his activities related to the certification of the vote.

[58] He, Matt Gaetz, and a handful of other Republicans broke with their party and voted to end Saudi assistance to the War in Yemen.

[68] In September 2021, Biggs was among 75 House Republicans to vote against the National Defense Authorization Act of 2022, which contains a provision that would require women to be drafted.

[73][74] In July 2022, Biggs was one of 14 House Republicans to vote for an amendment that would have removed a proposed $37 billion spending increase in the defense budget.

[77][78] On March 19, 2024, Biggs voted NAY to House Resolution 149 Condemning the illegal abduction and forcible transfer of children from Ukraine to the Russian Federation.

"[105][106][107] He submitted an amendment to the 2018 spending bill that would defund the National Climate Assessment[107] and urged President Trump to withdraw from the Paris Accords.

[108] In February 2020, when Republican House Minority Leader Kevin McCarthy attempted to make a modest effort to gather the support of concerned young voters via a restrained approach to address climate change, Biggs and other hardline denialists objected.

[114] During a major outbreak in the summer of 2020 in Arizona, Biggs questioned the hospitalization numbers and called Governor Doug Ducey's two-month lockdown a result of "hysteria" from "Democratic Leftists.

[32] Ten days later, he voted against the larger Coronavirus Response Act,[33] saying that because it provided benefits to domestic partners, it "redefined the family.

"[34][35] In December 2020, Biggs called on Trump to veto the Consolidated Appropriations Act, 2021, which included $900 billion in stimulus relief for the pandemic.

[118] In 2018, Biggs sponsored a bill "designed to let very sick patients request access to experimental medicines without government oversight", which passed the House, 267–149.

[121] Biggs condemned the Supreme Court ruling in Obergefell v. Hodges, which held that same-sex marriage bans violated the US constitution.

[122] Biggs has gone on record as opposing net neutrality, and favored FCC Chairman Ajit Pai's plan to end it.

After the publication of the full report, Biggs posted a video on Twitter declaring that there was "no basis for an obstruction [of justice] charge" against Trump, chastising the Democratic party for attempting to "undermine the POTUS".

[129] In 2017, Biggs used his powers as transportation chair and president of the Arizona State Senate to block a bill banning driving while texting for holders of a learning permit.

[136][137] In 2022, Biggs was one of 39 Republicans to vote for the Merger Filing Fee Modernization Act of 2022, an antitrust package that would crack down on corporations for anti-competitive behavior.