Cassidy Porter is Gideon's protégé and the newest member of the elite FBI team, the Behavioral Analysis Unit, led by Aaron Hotchner. Cassie is also a certified genius, very much like Spencer Reid. She's known in the Bureau as The Human Lie Detector due to her expertise in Microexpressions. There's only one thing she has trouble with... her growing feelings for Dr. Reid. Seasons 1-3 of Criminal Minds New cover made by the talented and sups amazing @CatCactus105