While at CBS News, Miller has reported on many stories of national and international importance. She provided extensive coverage of protests surrounding police misconduct and indictments including: the deaths of George Floyd (and his funeral), Travyon Martin, Michael Brown and the trial of George Zimmerman. She was on the ground during the Newtown Massacre; March for Our Lives protest and gun control movement; the shooting at Chardon High School in Ohio; Medical care for the rural poor in South Africa. Her notable coverage also includes the celebration and life of Nelson Mandela, the wedding of Prince William and Kate Middleton and Commemoration of the 50th anniversary of March in Washington. She has covered several presidential and local elections most recently, the 2016 presidential election as she gears up for the 2020 election season.

Miller's reporting has earned her several prestigious journalism awards including an Emmy for her series of reports on the National Guard's Youth Challenge Academy,  an Edward R Murrow for her coverage of a day care center stand-off in New Orleans, and she was part of the Alfred I. duPont – Columbia Award winning team for coverage the Newtown, Conn., school shooting. In 2019, Miller won a Gracie award for her reporting on the hidden world of sex trafficking in "'48 Hours': Live to Tell: Trafficked."

She's also earned a Salute to Excellence Award from NABJ and was voted Woman of the Year by the National Sports Foundation. In 2014, TV Week named Miller as one of the "12 to watch in TV news."

Miller has interviewed global leaders, politicians, artists and celebrities, including President Bill Clinton, Oprah Winfrey, former Soviet Premier Mikhail Gorbachev, Nobel Peace Prize winner Wangari Maathai, renowned artist Peter Max, Beyonce, John Goodman, Tony Bennett, James Earl Jones, Lenny Kravitz, LL Cool J, Carlos Santana, Denzel Washington and violinist Yo-Yo Ma.

Miller earned a bachelor's degree in journalism from Howard University and studied abroad in Kenya and Tanzania. Miller also holds a master's degree in urban studies from the University of New Orleans.

Her career in broadcast and print journalism includes work at the Los Angeles Times; the Star Tribune in Minneapolis; WWL-TV in New Orleans; WIS-TV in Columbia, S.C; the Orange County Newschannel and ABC News "Nightline" in Washington, D.C. Miller also taught journalism and mass communication courses at Dillard University in New Orleans.

In addition to her co-hosting and reporting duties, Miller is a board member for the School of American Ballet, founding member of the Women's Leadership Initiative for the United Way of New Orleans and has served on the March of Dimes National Communications Advisory Council. Previously, Miller served as vice president of the YWCA of Greater New Orleans and president of both the Black Journalists Association of Southern California and the New Orleans Association of Black Journalists. She is also a former member of the Board of Advisors at Hampton University's Scripps Howard School of Journalism and the Greater New York Chapter of the Links, Inc.

Miller has participated in the Poynter Institute, was a Hitesman Lecturer at Louisiana State University's Manship School of Mass Communication, a guest panelist for the Annual H. Naylor Fitzhugh Conference at the Harvard Business School and a guest speaker for the National Model UN Program. She has lectured at several colleges including Drew University; Howard University; Wellesley College; Stony Brook University; Southern University at New Orleans and Loyola University. She was the commencement speaker at St. Francis College in Brooklyn, NY where she received an honorary degree.

Miller is married with two children.