J.J. Johnston

The BAU searches Tallahassee for a serial killer who calls the authorities to report the crimes prior to committing murder. Also, as Rossi prepares for a weekend visit with his daughter, Joy, he receives startling news about the death of a comrade in Vietnam. Series star Joe Mantegna directed the episode.

As Portland’s homeless youth start to go missing, Nick (David Giuntoli) uncovers a deadly black market supplying the Grimm world with human organs for all types of elixirs. As the investigation heightens, Nick and Juliette (Bitsie Tulloch) befriend a pair of homeless siblings, Hanson (guest star Daryl Sabara, “Spy Kids”) and Gracie (guest star Hannah Marks, “Necessary Roughness”), whose friends have gone missing. Russell Hornsby, Silas Weir Mitchell, Sasha Roiz and Reggie Lee also star.