[2][3] Haines began her journalism career as a college intern at the Atlanta Daily World.

[6] As a co-founding member, she left AP to join The 19th* due to structural issues in political journalism that she felt would be better addressed by starting a new outlet.

[5] That May, she wrote a story about the shooting of Breonna Taylor after Benjamin Crump encouraged her to look at the case.

[5] She was the first reporter to interview Kamala Harris after her historic vice presidential nomination was announced.

[8] In August 2020, she signed a deal with Creative Artists Agency and became an on-air analyst for MSNBC.