The presidential hopeful has redeployed staff and resources to Iowa.
The couple first confirmed their relationship earlier this year.
Harris' spokeswoman likened the recent commentary to the racist birther conspiracy aimed at former President Barack Obama.
"My mother used to say, ‘Don’t let people tell you who you are. You tell them who you are,’" she said.
"This isn’t a scene from 'The Handmaid’s Tale.' This is happening in Alabama ― in our country ― in the year 2019,” she said in an email to supporters.
After months of speculation, the senator from California is officially throwing her hat in the ring to become the next commander-in-chief.
Kamala Harris Rumored To Have Picked Baltimore As The Headquarters For Her Potential Presidential Campaign
The Senator has yet to formally announce her bid for the presidency in 2020.
Rick Lynn Simmons could face up to five years in prison if convicted of interstate communication with threat to injure after threatening Sen. Cory Booker