Context: Johnson gained a national profile last year as part of the so-called "Tennessee Three" — a trio of Democrats who led a protest for gun control on the floor of the House chamber.
The retired teacher focused her campaign on abortion access, lowering prescription costs and fighting for gun reforms.
Johnson has criticized Blackburn for opposing legislation capping insulin prices while taking donations from pharmaceutical companies.
Blackburn's campaign has castigated Johnson as a "radical socialist." Blackburn is a staunch supporter of former President Trump, whoalso saw an easy victory Tuesday night in Tennessee.
In a campaign ad this summer, Blackburn touted her work to protect children on social media through bipartisan legislation.
A more recent ad recounts Blackburn's 1999 fight against a state income tax, which put her at odds with the Republican governor.
Zoom out: Johnson is simultaneously running to retain her Tennessee House seat, where she represents the Knoxville area. View the latest results.