The episode includes several notable quotes, as seen on the Criminal Minds Wiki and IMDb :
"There is hardly anyone whose sexual life, if it were broadcast, would not fill the world at large with surprise and horror." — W. Somerset Maugham. [S10E17] Breath Play
The UnSub, later identified as Patrick Jon Murphy, targets women he meets through online book clubs. He recreates consensual BDSM scenes from the novel before his own violent fantasies take over, leading him to murder the victims via erotic asphyxiation. The episode includes several notable quotes, as seen
"Children are like wet cement. Whatever falls on them makes an impression." — Haim Ginott. He recreates consensual BDSM scenes from the novel
Victims are found in their beds with their wrists tied with scarves, sexually assaulted, and eventually strangled with nylon rope.
After attacking his daughter's nanny, Patrick is pursued by Morgan and tackled in a cemetery. "Criminal Minds" Breath Play (TV Episode 2015)
Parallel to the investigation, the episode features a significant personal development for Agent Kate Callahan, who announces her pregnancy to the team. Meanwhile, her niece Meg begins acting out, including getting a secret belly button piercing. Key Quotes