Chase, self-described as "Trump in heels" was narrowly defeated in the primary of her reelection campaign for a redrawn 12th District in June 2023 and left office in January 2024.

[3][4] She has been deemed one of the most "prominent spreaders of election conspiracy theories in Virginia politics"[5] and has been noted for her attendance at Donald Trump's rally preceding the 2021 storming of the United States Capitol, where she appeared to voice support for rioters by calling them "patriots" and suggesting that Trump might still be sworn in as president, despite losing the election to Joe Biden.

[7][8] Despite saying she would "wear the censure as a badge of honor," Chase filed a federal lawsuit against the Virginia State Senate, but the suit was subsequently dismissed.

[14] Chase went on to defeat the Democratic nominee, attorney and retired Army colonel E. Wayne Powell, in the general election by about 69% to 31%.

[17][18] One of the most far-right members of the state Senate,[2] she has described herself as "Trump in heels"[19][20] and gained attention in Virginia politics with provocative comments and stunts.

[24] On January 15, 2019, Chase openly carried a loaded .38-caliber handgun in a holster while presenting bills to a state Senate committee, saying she did so as "a deterrent for over-exuberant folks.

[32] During the COVID-19 pandemic, Chase refused to wear a face mask during Virginia Senate sessions, contrary to public health guidance at the time.

[33] Chase has repeatedly posed for photographs with Antonio Lamotta, a QAnon promoter who was arrested in Philadelphia shortly after the 2020 election for carrying pistols, an AR-15 rifle, and over 150 rounds of ammunition without a valid Pennsylvania firearms permit, a third-degree felony.

[22] Chase attended Donald Trump's rally prior to the 2021 attack on the U.S. Capitol, but stated that she left before the rioting began.

[20]) Chase also expressed her disappointment that Vice President Mike Pence did not intercede in the counting of the electoral votes to overturn Biden's victory.

[39][38] Chase later said that Trump still might be sworn in for a second term, saying, "The insurrection is actually the deep state with the politicians working against the people to overthrow our government.

"[41] In February 2021, Chase sued the state Senate and its clerk, claiming that the censure violated her First Amendment rights;[9] the court dismissed her suit in May 2021.

[45] On January 23, 2021, the 80-member Republican State Central Committee debated a proposal by Chase and her supporters to scrap the convention in favor of a primary.

[48] Chase was one of seven candidates seeking the Republican nomination for governor: the others were Delegate Kirk Cox, a longtime member of the House of Delegates; Sergio de la Peña, a retired Army colonel and former Trump Defense Department appointee; Peter Doran, a former think tank executive; Pete Snyder, a businessman; Octavia Johnson, a former Roanoke sheriff; and Glenn Youngkin, a former co-chief executive of the Carlyle Group.

In November 2021, Chase announced she would run for the Republican nomination to potentially take on Democratic Congresswoman Abigail Spanberger in Virginia's 7th Congressional District.

[54] In July 2024, Chase announced she will run for state senate to fill the 10th district seat John McGuire left open after his victory in November.