The finale saw Penelope Garcia deciding to leave the BAU to work for a non-profit, marking a major shift for the team's dynamic. Season 15 Episode List
Reid struck up a relationship with Maxine (played by Rachael Leigh Cook), a woman outside the FBI world who provided him a sense of normalcy. Criminal Minds - Season 15
The main ensemble from Season 14 remained intact for the final season. as David Rossi (Senior Profiler) Matthew Gray Gubler as Dr. Spencer Reid (BAU Genius) A.J. Cook as Jennifer "JJ" Jareau Paget Brewster as Emily Prentiss (Unit Chief) Kirsten Vangsness as Penelope Garcia (Technical Analyst) Aisha Tyler as Dr. Tara Lewis Adam Rodriguez as Luke Alvez Daniel Henney as Matt Simmons The finale saw Penelope Garcia deciding to leave
The season’s overarching antagonist was serial killer Everett Lynch, who had nearly killed Rossi in the previous season. The hunt for Lynch culminated in a violent confrontation in the series finale. as David Rossi (Senior Profiler) Matthew Gray Gubler as Dr
Following JJ's admission of love for Reid in the Season 14 finale, the two navigated their complex feelings. Ultimately, they chose to remain best friends to preserve JJ's family life.