On December 28, 2023, Bellows ruled that Republican presidential candidate Donald Trump would be barred from the Maine primary ballot due to his conduct during the January 6 United States Capitol attack, pending an appeal.

In the aftermath of that decision, she was doxxed and swatted, along with several other American activists and politicians, during the period of similar incidents nationwide.

During high school and college, Bellows worked as a research assistant at Mount Desert Island Biological Laboratory.

[9][10] Most recently, she organized a successful privacy campaign to require warrants for access to private cell phone communications, and she led the opposition to warrantless drone surveillance.

Prior to her work at the ACLU of Maine, Bellows was the national field organizer at the ACLU in Washington, D.C., organizing nationwide civil liberties campaigns including opposition to the Patriot Act, where she built broad coalitions that included librarians and gun owners alike.

in developing an asset building program to promote educational and economic empowerment for young people in Nashville’s largest public housing project.

[18] Bellows served as a small business development Peace Corps volunteer in La Arena de Chitré, Panama.

Bellows announced on March 4, 2016, that she would run for the Maine Senate in district 14, including her hometown of Manchester and ten other towns in the Augusta area.

[29][30] On December 28, 2023, she ruled that Trump would be barred from the Maine primary ballot due to his conduct during the January 6 United States Capitol attack, pending appeal.

[31][32] After ruling Trump ineligible, Bellows was doxxed, with her home address, phone number, and other personal data information published online.

[39] Bellows opposes the Citizens United v. FEC decision, and supports public financing of elections and strong disclosure requirements.

[39] Bellows opposes efforts to repeal the Affordable Care Act, and supports expanding coverage through the Medicaid and Medicare programs.

[42] Bellows advocates for eliminating the cap on income taxable under the social security payroll tax in order to increase benefits.