Education
Kent State University.
Kent State University.
Costello is a graduate of Minerva High School, a public high school in Minerva, Ohio, and Kent State University where she earned a Bachelor of Arts in journalism. After attending Kent State University, Costello worked at Akron, Ohio"s WAKR-television as an award-winning police and court reporter. Following that Costello was an Emmy-award-winning anchor/reporter for WSYX and WBNS 10-television, the Columbia Broadcasting System affiliate in Columbus, Ohio.
She also worked as the 6 and 11pm news anchor for WBAL-television in Baltimore between 1992 and 1995.
Cable News Network
Costello worked as an anchor at Cable News Network Headline News and was also the anchor of Good Morning Washington and an investigative reporter at WJLA-television, the American Broadcasting Company affiliate in Washington, District of Columbia, during the September 11 attacks. A former resident of Atlanta, Georgia, Costello had moved to the New York area after getting married in 2004.
She previously worked out of the network"s New York City bureau. She was part of Cable News Network"s Peabody-winning coverage of Hurricane Katrina and the 2008 presidential election, and also covered the Virginia Technical massacre, the inauguration of Barack Obama and the Casey Anthony trial.
Costello has done in-depth reporting on bullying, coal ash, and women"s issues.
After a Cable News Network viewer nominated her, Costello ran with the Olympic torch through the streets of Atlanta prior to the Atlanta Olympics. As a reporter and anchor, Costello has interviewed Jimmy Carter, Bill Clinton, Hillary Clinton and George H. West. Bush. Previously, Costello anchored the Cable News Network early morning program Cable News Network Daybreak and also was news reader and correspondent on American Morning.
She was the anchor of Cable News Network Daybreak, then a New York-based correspondent, and subsequently a contributor to The Situation Room.
Currently, Costello hosts the 9 am–11 am slot of Cable News Network Newsroom, and is based out of Cable News Network"s New York news bureau. Costello elicited criticism when she referred to audio of Bristol Palin describing an assault on her to police as "quite possibly the best minute and a half of audio we’ve ever come across.".