Barrois was to act as showrunner, as well as writer and executive producer of Darkness Falls, with partner at Criminal Minds Erica Messer.
Barrois began her television career working as a writer on The Jamie Foxx Show. She went on to become a co-producer of The PJs and then was hired as an executive story editor for Third Watch, which she also wrote several episodes of. She would move up the ladder on that series, eventually promoted to Co-Executive Producer for the sixth and final season.
After Third Watch ended, she became a co-executive producer for another ER, where she would continue to write as well, contributing several scripts to that series.
She's also a Humanitas Prize nominee.