Season 2eps23 — Criminal Minds -

: The episode ends with the dramatic and disturbing joint suicide of Frank and his obsession, Jane, who jump in front of a train together at Union Station.

: Keith Carradine returns as Frank, arguably the BAU’s most prolific and haunting nemesis, who strikes Gideon personally by murdering his girlfriend, Sarah. Criminal Minds - Season 2Eps23

: After the murder, Gideon goes rogue to hunt Frank alone, forcing his own team to profile him to find both men. : The episode ends with the dramatic and

In the Criminal Minds Season 2 finale, "," the standout feature is Hotch’s fierce defense of his team against Section Chief Erin Strauss . In the Criminal Minds Season 2 finale, ","

: This episode introduces Erin Strauss (Jayne Atkinson), who becomes a long-term antagonist for the BAU as she pressures Prentiss to spy on Hotch. S2E23 - “The Evilolution of Frank” — Unsubs

As Strauss attempts to dismantle the BAU by questioning its effectiveness, Hotch delivers a masterclass in profiling her to her face, identifying her insecurities and favoritism toward her own children. He then provides a moving, deep-dive profile of every member of his team—from Garcia’s need for color to Gideon’s "profound knowledge of others"—concluding that he stands by his team and daring her to find someone better for the job. Key Episode Highlights

: A young Elle Fanning guest stars as Tracy Belle, a child from a previous case whom Frank kidnaps to leverage against the team.