Paul Zies

The staff tries to deal with physical and emotional trauma in the wake of the vengeful gunman's deadly rampage; Derek makes a spontaneous decision to resign as chief and return to surgery.

Randall and Rebecca embark on a road trip and reflect on their past.

The BAU must catch a group of serial killers that is killing exotic dancers and leaving their bodies in the cornfields of Indiana.

When a drug dealer collapses on the job, he refuses to disclose personal information - fearing criminal prosecution. Meanwhile, Foreman falls victim to a practical joke and Nora catches the eye of House and Wilson.

The Jeffersonian team investigates the murder of a food scientist whose remains were tossed in a meat grinder and mixed into cans of stew served in a school cafeteria. When the team uncovers the scientist’s newest – and highly lucrative – food invention, they begin to track the trail of jealous competitors in the multi-million dollar food industry. Meanwhile, Angela plans a post-wedding bachelorette party for Brennan and it gets crazier than intended.

Jane goes undercover as a prisoner in a county jail to draw out a killer who committed a gruesome homicide.