[s2e11] Sex, Birth, Death -

The story explores the cycle of life— (the motive and the victims), birth (the origin of a killer's urges), and death (the finality of the act and the loss of innocence). It is often cited by fans on Reddit and Tumblr as one of the most emotional episodes because of the empathy shown toward a character who feared his own nature.

The story follows a dual narrative that forces the BAU to confront the thin line between a victim and a killer. [S2E11] Sex, Birth, Death

: The episode concludes with a tragic sense of "what if." While the actual killer is caught, Nathan's story remains open-ended and unsettling. In a desperate attempt to stop himself from ever becoming a killer, Nathan attempts suicide in a bathroom, leaving Reid to find him. The story explores the cycle of life— (the