Le Mignot earned a bachelor's degree with honors in mass communications from the University of South Florida in 1993.
[1] Le Mignot began her broadcasting career while she was in college, working from 1989 until 1993 at the University of South Florida-owned, PBS-affiliated, WUSF-TV in Tampa, Florida as a production assistant and associate producer.
[6] In 2000, Le Mignot became an early morning news anchor at WBBM-TV, a role she held until 2001, when she returned to dayside general assignment reporting duties.
[7][8][9] In February 2002, the Chicago Sun-Times reported that Le Mignot's contract would not be renewed by WBBM-TV, and she briefly left the station.
[13][14] Le Mignot won an Associated Press award in 2007 for a piece she reported on the inability by commuter railroads' bomb-sniffing dogs to detect explosives.