Robin Karfo

The BAU is called upon when bioterrorism is suspected in a series of mysterious deaths and Garcia visits her stepbrother to take care of a difficult family issue.

One month after Director Vance's disappearance, Gibbs is assigned the role of acting director in his absence as the team searches worldwide for his whereabouts.

Annalise is forced to fight for her life, while Gabriel shares a new theory about Sam's murder. Frank and Bonnie have a heart-to-heart.

The owner of a diner, Gene Stratis, has been stabbed to death and Sipowicz and Clark interview the victim's son. The son gives them his father's background, a real immigrant's success story.

Maya encourages parents of the new special needs students to demand full-time aids in order to help their children. Meanwhile, JJ pushes Kenneth toward a romantic relationship with his teacher.

Jack endures a lengthy, brutal deposition by his wife's divorce attorney. The attorney uses Jack's past affair with Samantha, childhood traumas, and his dedication to his job against him. Meanwhile, Samantha ponders whether or not she's responsible for Jack's current personal woes.